We can recommend few books for you instead of one book:

SAT Prep Black Book 2nd Edition

McGraw Hill Education

Barron's SAT 29th Edition

The Princeton Review's Cracking the SAT

But if we have to name one book for you, it will be Kallis SAT Preparation Strategy. This is because Kallis SAT Preparation Strategy is one of the best books for Overall Preparation for SAT. This book has 6 full length practise tests. This means 24 hours of practise testing. The SAT questions are generally realistic and are close to official test questions. This book gives you step by step answer explanations for each question. They have indepth descriptions. There are as many as 101 topics on SAT and they offer a clear presentation of fundamental concepts in Grammar, Literature and Mathematics. This book also gives analytic approach to various questions to help you with a strategic approach. This book follows the structure, format and topics covered on the SAT in detail and so you will have a fair idea of logistics before the D-day.