Confusion about Amit Kalani Book

From: Naren (
Date: 01/04/05

Date: Tue, 4 Jan 2005 08:13:39 -0800

I was looking on internet to buy Amit Kalani's book for
Web applications exam and I came across two different
books with the almost the same title. Please look at the
following links to see the two books (The link might break
to fit in the window, please copy and paste it in
Which book should I buy and what is the difference??
Thanks in Advance.