diff --git a/src/main.rs b/src/main.rs
index f927c1f..fcd2a89 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -160,6 +160,7 @@ async fn run_server(db: Arc<DatabaseConnection>) {
         // Book API
         .routes(routes!(routes::book::get_book_by_ean))
         .routes(routes!(routes::book::get_book_by_id))
+        .routes(routes!(routes::book::create_book))
         // Book Instance API
         .routes(routes!(routes::book_instance::get_book_instance_by_id))
         .routes(routes!(routes::book_instance::create_book_instance))
diff --git a/src/routes/book.rs b/src/routes/book.rs
index 6b350c6..bff6126 100644
--- a/src/routes/book.rs
+++ b/src/routes/book.rs
@@ -2,7 +2,8 @@ use std::sync::Arc;
 
 use axum::{extract::{Path, State}, Json};
 use reqwest::{StatusCode};
-use sea_orm::{ColumnTrait, EntityTrait, QueryFilter};
+use sea_orm::{ActiveModelTrait, ActiveValue::{NotSet, Set}, ColumnTrait, EntityTrait, QueryFilter, TryIntoModel};
+use serde::{Deserialize, Serialize};
 use utoipa::IntoParams;
 
 use crate::{entities::{book, prelude::{Book}}, utils::open_library};
@@ -85,3 +86,49 @@ pub async fn get_book_by_ean(
         }
     }
 }
+
+#[derive(Deserialize, Serialize, utoipa::ToSchema)]
+pub struct BookCreateParams {
+    ean: String,
+    title: String,
+    author: String
+}
+
+#[axum::debug_handler]
+#[utoipa::path(
+    post,
+    path = "/book",
+    request_body = BookCreateParams,
+    security(("jwt" = [])),
+    responses(
+        (status = OK, body = book::Model, description = "Successfully saved book data"),
+        (status = CONFLICT, body = book::Model, description = "A book with the same EAN already exists. Replies with the data of the already saved book."),
+    ),
+    summary = "Manually add book data to the database",
+    description = "Should be used when needing to insert data for an EAN that doesn't already exist in the database and couldn't be fetched automatically, ie the /book/ean/{ean} endpoint returned a 404 NOT FOUND error",
+    tag = "book-api",
+)]
+pub async fn create_book(
+    State(state): State<Arc<AppState>>,
+    Json(instance_payload): Json<BookCreateParams>,
+) -> (StatusCode, Json<Option<book::Model>>) {
+    if let Some(book) = Book::find().filter(book::Column::Ean.eq(&instance_payload.ean)).one(state.db_conn.as_ref()).await.unwrap() {
+        return (StatusCode::CONFLICT, Json(Some(book)));
+    }
+
+    let book = book::ActiveModel {
+        ean: Set(instance_payload.ean),
+        title: Set(instance_payload.title),
+        author: Set(instance_payload.author),
+        id: NotSet
+    };
+
+    let b = book.save(state.db_conn.as_ref()).await;
+    match b {
+        Err(e) => {
+            log::error!(target: "api", "Error while inserting new book: {:#?}", e);
+            (StatusCode::BAD_REQUEST, Json(None))
+        },
+        Ok(res) => (StatusCode::OK, Json(Some(res.try_into_model().expect("All fields should be set once the book is saved"))))
+    }
+}