diff --git a/models/authors_delete.go b/models/authors_delete.go
index 5c7c1f1..e11edd3 100644
--- a/models/authors_delete.go
+++ b/models/authors_delete.go
@@ -1,7 +1,14 @@
 package models
 
+import "fmt"
+
 // DeleteAuthorByID deletes an author by its ID
 func DeleteAuthorByID(id int64) error {
+	// Check if the id is 0
+	if id == 0 {
+		return fmt.Errorf("ID cannot be 0")
+	}
+
 	// Delete the author
 	_, err := x.Id(id).Delete(&Author{})
 
diff --git a/models/books_delete.go b/models/books_delete.go
index f48facf..600e025 100644
--- a/models/books_delete.go
+++ b/models/books_delete.go
@@ -1,7 +1,14 @@
 package models
 
+import "fmt"
+
 // DeleteBookByID deletes a book by its ID
 func DeleteBookByID(id int64) error {
+	// Check if the id is 0
+	if id == 0 {
+		return fmt.Errorf("ID cannot be 0")
+	}
+
 	// Delete the book
 	_, err := x.Id(id).Delete(&Book{})
 
diff --git a/models/publishers_delete.go b/models/publishers_delete.go
index 6ad8c5b..d7f6cf1 100644
--- a/models/publishers_delete.go
+++ b/models/publishers_delete.go
@@ -1,7 +1,14 @@
 package models
 
+import "fmt"
+
 // DeletePublisherByID deletes a publisher by its ID
 func DeletePublisherByID(id int64) error {
+	// Check if the id is 0
+	if id == 0 {
+		return fmt.Errorf("ID cannot be 0")
+	}
+
 	// Delete the publisher
 	_, err := x.Id(id).Delete(&Publisher{})