diff --git a/src/en/readcomicsbook/build.gradle b/src/en/readcomicsbook/build.gradle
new file mode 100644
index 000000000..9c1d71616
--- /dev/null
+++ b/src/en/readcomicsbook/build.gradle
@@ -0,0 +1,7 @@
+ext {
+    extName = 'Read Comics Book'
+    extClass = '.ReadComicsBook'
+    extVersionCode = 1
+}
+
+apply from: "$rootDir/common.gradle"
diff --git a/src/en/readcomicsbook/res/mipmap-hdpi/ic_launcher.png b/src/en/readcomicsbook/res/mipmap-hdpi/ic_launcher.png
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diff --git a/src/en/readcomicsbook/res/mipmap-xxxhdpi/ic_launcher.png b/src/en/readcomicsbook/res/mipmap-xxxhdpi/ic_launcher.png
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diff --git a/src/en/readcomicsbook/src/eu/kanade/tachiyomi/extension/en/readcomicsbook/Dto.kt b/src/en/readcomicsbook/src/eu/kanade/tachiyomi/extension/en/readcomicsbook/Dto.kt
new file mode 100644
index 000000000..2f9cf2b7f
--- /dev/null
+++ b/src/en/readcomicsbook/src/eu/kanade/tachiyomi/extension/en/readcomicsbook/Dto.kt
@@ -0,0 +1,14 @@
+package eu.kanade.tachiyomi.extension.en.readcomicsbook
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+class Data<T>(val data: T)
+
+@Serializable
+class Comic(
+    val title: String,
+    val slug: String,
+    @SerialName("img_url") val cover: String? = null,
+)
diff --git a/src/en/readcomicsbook/src/eu/kanade/tachiyomi/extension/en/readcomicsbook/GenreFilter.kt b/src/en/readcomicsbook/src/eu/kanade/tachiyomi/extension/en/readcomicsbook/GenreFilter.kt
new file mode 100644
index 000000000..b25727a4c
--- /dev/null
+++ b/src/en/readcomicsbook/src/eu/kanade/tachiyomi/extension/en/readcomicsbook/GenreFilter.kt
@@ -0,0 +1,38 @@
+package eu.kanade.tachiyomi.extension.en.readcomicsbook
+
+import eu.kanade.tachiyomi.source.model.Filter
+
+class GenreFilter : Filter.Select<String>(
+    "Genres",
+    genres.map { it.first }.toTypedArray(),
+) {
+    val selected get() = genres[state].second
+}
+
+private val genres = listOf(
+    "Marvel" to "marvel",
+    "DC Comics" to "dc-comics",
+    "Action" to "action",
+    "Adventure" to "adventure",
+    "Anthology" to "anthology",
+    "Anthropomorphic" to "anthropomorphic",
+    "Biography" to "biography",
+    "Children" to "children",
+    "Comedy" to "comedy",
+    "Crime" to "crime",
+    "Cyborgs" to "cyborgs",
+    "Dark Horse" to "dark-horse",
+    "Demons" to "demons",
+    "Drama" to "drama",
+    "Fantasy" to "fantasy",
+    "Family" to "family",
+    "Fighting" to "fighting",
+    "Gore" to "gore",
+    "Graphic Novels" to "graphic-novels",
+    "Historical" to "historical",
+    "Horror" to "horror",
+    "Leading Ladies" to "leading-ladies",
+    "Literature" to "literature",
+    "Magic" to "magic",
+    "Manga" to "manga",
+)
diff --git a/src/en/readcomicsbook/src/eu/kanade/tachiyomi/extension/en/readcomicsbook/ReadComicsBook.kt b/src/en/readcomicsbook/src/eu/kanade/tachiyomi/extension/en/readcomicsbook/ReadComicsBook.kt
new file mode 100644
index 000000000..1154f20c2
--- /dev/null
+++ b/src/en/readcomicsbook/src/eu/kanade/tachiyomi/extension/en/readcomicsbook/ReadComicsBook.kt
@@ -0,0 +1,207 @@
+package eu.kanade.tachiyomi.extension.en.readcomicsbook
+
+import eu.kanade.tachiyomi.network.GET
+import eu.kanade.tachiyomi.source.model.Filter
+import eu.kanade.tachiyomi.source.model.FilterList
+import eu.kanade.tachiyomi.source.model.MangasPage
+import eu.kanade.tachiyomi.source.model.Page
+import eu.kanade.tachiyomi.source.model.SChapter
+import eu.kanade.tachiyomi.source.model.SManga
+import eu.kanade.tachiyomi.source.online.HttpSource
+import eu.kanade.tachiyomi.util.asJsoup
+import kotlinx.serialization.json.Json
+import kotlinx.serialization.json.decodeFromStream
+import okhttp3.HttpUrl.Companion.toHttpUrl
+import okhttp3.Request
+import okhttp3.Response
+import uy.kohesive.injekt.injectLazy
+import java.text.ParseException
+import java.text.SimpleDateFormat
+import java.util.Locale
+import java.util.concurrent.TimeUnit
+
+class ReadComicsBook : HttpSource() {
+    override val name = "Read Comics Book"
+    override val lang = "en"
+    override val baseUrl = "https://readcomicsplus.net"
+    override val supportsLatest = true
+    override val client = network.cloudflareClient.newBuilder()
+        .readTimeout(1L, TimeUnit.MINUTES)
+        .build()
+    private val json: Json by injectLazy()
+
+    override fun popularMangaRequest(page: Int): Request {
+        val url = buildString {
+            append(baseUrl)
+            append("/popular-comics")
+            if (page > 1) {
+                append("?page=")
+                append(page.toString())
+            }
+        }
+
+        return GET(url, headers)
+    }
+
+    override fun popularMangaParse(response: Response): MangasPage {
+        val doc = response.asJsoup()
+
+        return MangasPage(
+            mangas = doc.select(".manga-list .manga-thumb a").map {
+                SManga.create().apply {
+                    setUrlWithoutDomain(it.absUrl("href"))
+                    title = it.attr("title")
+                    thumbnail_url = it.selectFirst("img")?.attr("data-original")
+                        ?.replace("http://", "https://")
+                }
+            },
+            hasNextPage = doc.selectFirst(".page-pagination .next-page") != null,
+        )
+    }
+
+    override fun latestUpdatesRequest(page: Int): Request {
+        val url = buildString {
+            append(baseUrl)
+            append("/comic-updates")
+            if (page > 1) {
+                append("?page=")
+                append(page.toString())
+            }
+        }
+
+        return GET(url, headers)
+    }
+
+    override fun latestUpdatesParse(response: Response) = popularMangaParse(response)
+
+    override fun searchMangaRequest(page: Int, query: String, filters: FilterList): Request {
+        return if (query.isNotBlank()) {
+            val url = "$baseUrl/ajax/search".toHttpUrl().newBuilder()
+                .addQueryParameter("q", query.trim())
+                .build()
+
+            GET(url, headers)
+        } else {
+            val url = buildString {
+                append(baseUrl)
+                append("/genre/")
+                append(
+                    filters.filterIsInstance<GenreFilter>().first().selected,
+                )
+                if (page > 1) {
+                    append("?page=")
+                    append(page.toString())
+                }
+            }
+
+            GET(url, headers)
+        }
+    }
+
+    override fun getFilterList(): FilterList {
+        return FilterList(
+            GenreFilter(),
+            Filter.Header("Filters don't work with text search"),
+        )
+    }
+
+    override fun searchMangaParse(response: Response): MangasPage {
+        if (response.request.url.pathSegments[0] == "genre") {
+            return popularMangaParse(response)
+        }
+
+        val res = json.decodeFromStream<Data<List<Comic>>>(response.body.byteStream())
+
+        return MangasPage(
+            mangas = res.data.map {
+                SManga.create().apply {
+                    url = "/comic/${it.slug}"
+                    title = it.title
+                    thumbnail_url = it.cover ?: "$baseUrl/images/sites/default.jpg"
+                }
+            },
+            hasNextPage = false,
+        )
+    }
+
+    override fun mangaDetailsParse(response: Response): SManga {
+        val doc = response.asJsoup()
+
+        return SManga.create().apply {
+            title = doc.selectFirst(".headline h1")!!.text()
+            author = doc.selectFirst("div.meta-data.mt-author")?.ownText()
+            status = with(doc.selectFirst("div.meta-data:has(> label:contains(status))")?.ownText()) {
+                when {
+                    equals("ongoing", true) -> SManga.ONGOING
+                    equals("completed", true) -> SManga.COMPLETED
+                    else -> SManga.UNKNOWN
+                }
+            }
+            thumbnail_url = doc.selectFirst("div.manga-thumb img")?.absUrl("data-original")
+                ?.replace("http://", "https://")
+            genre = doc.select("div.meta-data a[href*=/genre/]").eachText().joinToString()
+            description = buildString {
+                doc.selectFirst(".summary-content")?.text()?.let(::append)
+                if (isNotBlank()) {
+                    append("\n\n")
+                }
+                doc.selectFirst("div.meta-data:has(> label:contains(Other Names))")
+                    ?.text()?.let(::appendLine)
+                doc.selectFirst("div.meta-data.view")
+                    ?.text()?.let(::appendLine)
+                doc.selectFirst("div.rating")?.text()?.let {
+                    append("Rating: ")
+                    append(it, "\n")
+                }
+            }
+        }
+    }
+
+    override fun chapterListParse(response: Response): List<SChapter> {
+        val doc = response.asJsoup()
+
+        return doc.select("ul.chapter-list li").drop(1).map {
+            SChapter.create().apply {
+                with(it.selectFirst("a")!!) {
+                    setUrlWithoutDomain(absUrl("href"))
+                    name = text()
+                }
+                date_upload = it.selectFirst("span.time")?.text().parseDate()
+            }
+        }
+    }
+
+    private fun String?.parseDate(): Long {
+        if (isNullOrBlank()) return 0L
+
+        return try {
+            dateFormat.parse(this)?.time ?: 0L
+        } catch (_: ParseException) {
+            0L
+        }
+    }
+
+    private val dateFormat = SimpleDateFormat("dd/MM/yyy", Locale.ENGLISH)
+
+    override fun pageListParse(response: Response): List<Page> {
+        val doc = response.asJsoup()
+
+        return doc.select(".page-chapter img").mapIndexed { idx, img ->
+            Page(idx, imageUrl = img.attr("data-original"))
+        }
+    }
+
+    override fun imageRequest(page: Page): Request {
+        var url = page.imageUrl!!
+
+        if (url.toHttpUrl().host.contains("blogspot") && url.contains("s1600")) {
+            url = url.replace("s1600", "s0")
+        }
+
+        return GET(url, headers)
+    }
+
+    override fun imageUrlParse(response: Response): String {
+        throw UnsupportedOperationException()
+    }
+}