Hello Prashant,
No , first EJB (cathy & bret) is NOT suitable for scbcd5 preparaton.
We all hope the they will release a head first book but its not certain.
There is no 1 suitable book for SCBCD5
for a list of books click
here additionally you could search the fourmns site to get a good understanding of the books that have been published .
I personally think to understand the subject matter Mastering EJB book 4th edition is really good .