diff --git a/entries/Camel Book.txt b/entries/Camel Book.txt
index 696d0dd..dc4ada0 100644
--- a/entries/Camel Book.txt	
+++ b/entries/Camel Book.txt	
@@ -1,8 +1,5 @@
 Camel Book
 
 n. Universally recognized nickname for the book Programming Perl , by Larry
-Wall and Randal L. Schwartz, O'Reilly and Associates 1991, ISBN
-0-937175-64-1 (second edition 1996, ISBN 1-56592-149-6; third edition 2000,
-0-596-00027-8, adding as authors Tom Christiansen and Jon Orwant but
-dropping Randal Schwartz). The definitive reference on Perl.
-
+Wall and Randal L. Schwartz, O'Reilly and Associates 1991.
+The definitive reference on Perl.