diff --git a/src/bots/approved_bot/modules/book.rs b/src/bots/approved_bot/modules/book.rs
index 2f08a0b..442cf3c 100644
--- a/src/bots/approved_bot/modules/book.rs
+++ b/src/bots/approved_bot/modules/book.rs
@@ -1,3 +1,4 @@
+use core::fmt::Debug;
 use std::str::FromStr;
 
 use moka::future::Cache;
@@ -121,8 +122,8 @@ async fn send_book_handler<T, P, Fut>(
     user_langs_cache: Cache<UserId, Vec<String>>,
 ) -> crate::bots::BotHandlerInternal
 where
-    T: Format + Clone,
-    P: FormatTitle + Clone,
+    T: Format + Clone + Debug,
+    P: FormatTitle + Clone + Debug,
     Fut: std::future::Future<Output = Result<Page<T, P>, Box<dyn std::error::Error + Send + Sync>>>,
 {
     let id = match command {
@@ -198,8 +199,8 @@ async fn send_pagination_book_handler<T, P, Fut>(
     user_langs_cache: Cache<UserId, Vec<String>>,
 ) -> crate::bots::BotHandlerInternal
 where
-    T: Format + Clone,
-    P: FormatTitle + Clone,
+    T: Format + Clone + Debug,
+    P: FormatTitle + Clone + Debug,
     Fut: std::future::Future<Output = Result<Page<T, P>, Box<dyn std::error::Error + Send + Sync>>>,
 {
     let (id, page) = match callback_data {
diff --git a/src/bots/approved_bot/modules/search.rs b/src/bots/approved_bot/modules/search.rs
index d645677..119143e 100644
--- a/src/bots/approved_bot/modules/search.rs
+++ b/src/bots/approved_bot/modules/search.rs
@@ -1,3 +1,4 @@
+use core::fmt::Debug;
 use std::str::FromStr;
 
 use moka::future::Cache;
@@ -114,8 +115,8 @@ async fn generic_search_pagination_handler<T, P, Fut>(
     user_langs_cache: Cache<UserId, Vec<String>>,
 ) -> BotHandlerInternal
 where
-    T: Format + Clone,
-    P: FormatTitle + Clone,
+    T: Format + Clone + Debug,
+    P: FormatTitle + Clone + Debug,
     Fut: std::future::Future<Output = Result<Page<T, P>, Box<dyn std::error::Error + Send + Sync>>>,
 {
     let chat_id = cq.chat_id();
diff --git a/src/bots/approved_bot/services/book_library/types.rs b/src/bots/approved_bot/services/book_library/types.rs
index 9f712e9..fc40a0f 100644
--- a/src/bots/approved_bot/services/book_library/types.rs
+++ b/src/bots/approved_bot/services/book_library/types.rs
@@ -1,3 +1,4 @@
+use core::fmt::Debug;
 use serde::Deserialize;
 
 use super::formaters::{Format, FormatResult, FormatTitle};
@@ -90,16 +91,18 @@ pub struct Page<T, P> {
 
 impl<T, P> Page<T, P>
 where
-    T: Format + Clone,
-    P: FormatTitle + Clone
+    T: Format + Clone + Debug,
+    P: FormatTitle + Clone + Debug
 {
     pub fn format_items(&self, max_size: usize) -> String {
+        log::error!("format: {:?}", self);
+
         let title: String = match &self.parent_item {
             Some(parent_item) => {
                 let item_title = parent_item.format_title();
 
                 if item_title.is_empty() {
-                    return "".to_string();
+                    return item_title;
                 }
 
                 format!("{item_title}\n\n\n")