ISSB preparation guide is for the students who want to join the army .ISSB is compulsory to join the army.For the preparation of ISSB(inter services selection board) test this guide is very helpful.it contains a lot of helping material all related to the test.by preparing this whole book you will be able to understood which type of question are being asked in the test.
This book contains

Guidelines Section contains
Tips
Board Questionnaire
Frequently Asked Question
Information
Requirements