There are several books available in market and online shopping websites.

I am suggesting you for best books that will help you to cover complete syllabus of BITSAT Entrance Test.

Best Books for BITSAT Entrance Test
Self Study Guide for Online BITSAT 2017 Paperback – 2016
by Arihant Experts (Author)
Rs. 421/-
Paperback: 1310 pages
Publisher: Arihant Publications; Eighth edition (2016)
Language: English
ISBN-10: 9385980610
ISBN-13: 978-9385980619

A Self Study Guide for Online BITSAT 2016 (Old Edition) Paperback – 25 Sep 2015
by Arihant Experts (Author)
Rs. 567/-
Paperback: 1400 pages
Publisher: Arihant Publications; 7th edition (25 September 2015)
Language: English
ISBN-10: 9352510356
ISBN-13: 978-9352510351

English & Logical Reasoning for BITSAT with 10 Mock Tests (5 in Book and 5 Online Tests) 5th Edition (English, Paperback, Disha Experts)
Rs.272/-
Language: English
Binding: Paperback
Publisher: Disha Publication
Genre: Entrance Exams Preparation
ISBN: 9789385846168, 9385846167
Edition: 5
Pages: 440

Comprehensive Guide to BITSAT Online Test with Past 2005-2015 Solved Papers & 5 Mock Online Tests 7th edition 7 Edition (English, Paperback, Disha Experts)
Rs.563/-
Language: English
Binding: Paperback
Publisher: Disha Publication
Genre: Entrance Exams Preparation
ISBN: 9789385846151, 9385846159
Edition: 7, 2015
Pages: 1028

Comprehensive Guide to BITSAT Online Test - with Mosk Test CD (English, Paperback, Disha Experts)
Rs. 750/-
Language: English
Binding: Paperback
Publisher: Disha Publication - New Delhi
ISBN: 9789382081982, 9382081984
Edition: 2013
Pages: 924