How to prepare for Logical Reasoning for CAT

Mr. Arun sharma is excellent at Quantitative aptitude. I bought this book by assuming the same quality of his quantitative aptitude book, but it didn't match the standard. Lod1,lod2,lod3 puzzles are ok. But the book contains very less content(i.e very few practice questions). Explanation for verbal reasoning is very limited to answer accurately. I felt that some answers are printed wrong in syllogisms.
In E-book version some symbols were not been rendered properly, and some unknown symbols r...

none of these books(CAT) are tailored to f
ipkart's app , they are just releasing it without even seeing whether the books are readable or not