21st Century Students' Companion - A Handy Reference Book is an exhaustive compilation that is useful not only for students but for teachers and academicians as well. This is a handy and portable mini-encyclopedia covering a wide range of subjects that will interest anyone keen to acquire more knowledge. One just has to leaf through the pages of this book to get basic information on any topic. This book deals with a wide range of topics, from general knowledge to geography, from arithmetic to basic English grammar and many others. This is a book of reference for people and students of all ages and is a veritable storehouse of knowledge. About The Author: