diff --git a/internal/handlers/ebook.go b/internal/handlers/ebook.go
index d7092ae..03255d3 100644
--- a/internal/handlers/ebook.go
+++ b/internal/handlers/ebook.go
@@ -70,6 +70,35 @@ func parseDate(dateStr string) time.Time {
 func SetupRoutes(g *echo.Group, db *database.Queries, connManager *wsync.ConnectionManager) *Handler {
 	h := NewHandler(db, connManager)
 
+	// Collections API routes
+	collectionHandler := NewCollectionHandler(db)
+	collections := g.Group("/collections")
+	collections.GET("", collectionHandler.GetCollections)
+	collections.POST("", collectionHandler.CreateCollection)
+	collections.GET("/:id", collectionHandler.GetCollection)
+	collections.PUT("/:id", collectionHandler.UpdateCollection)
+	collections.DELETE("/:id", collectionHandler.DeleteCollection)
+	collections.GET("/:id/books", collectionHandler.GetBookCollections)
+	collections.POST("/:id/books", collectionHandler.AddBooks)
+	collections.DELETE("/:id/books/:bookId", collectionHandler.RemoveBook)
+
+	// Device shelf mapping routes
+	deviceCollections := g.Group("/devices/:id/collections")
+	deviceCollections.GET("", collectionHandler.GetDeviceMappings)
+	deviceCollections.POST("", collectionHandler.CreateDeviceMapping)
+	deviceCollections.PUT("/:collectionId", collectionHandler.UpdateDeviceMapping)
+	deviceCollections.DELETE("/:collectionId", collectionHandler.DeleteDeviceMapping)
+
+	// Book matching and linking routes
+	g.POST("/sync/books/query", h.QueryBooks)
+	g.POST("/devices/:deviceId/sync/link-book", h.LinkBook)
+	g.GET("/devices/:deviceId/sync/unlinked-books", h.GetUnlinkedBooks)
+	g.GET("/devices/:id/file-aliases", h.GetDeviceFileAliases)
+	g.POST("/devices/:id/file-aliases", h.CreateDeviceFileAlias)
+	g.PUT("/devices/:id/file-aliases/:aliasId", h.UpdateDeviceFileAlias)
+	g.DELETE("/devices/:id/file-aliases/:aliasId", h.DeleteDeviceFileAlias)
+	g.GET("/books/match", h.GetBookMatches)
+
 	// Media item routes (all authenticated users)
 	g.GET("/media-items", h.ListMediaItems)
 	g.GET("/media-items/filtered", h.ListMediaItemsFiltered)