This book contains module exercise and 3 times more problem than previous edition it is totally different from previous edition in module exercise there is theroy and 4 to 5 examples after each small topic and 1 exercise after each module . Per chapter there is 5 to 6 module . This book also contains many previous year questions and also have irodov que (many) . Page are very good (quality) . Overall this book is beast version of all physics book. 👍👍👍