hello,

Both of the books are good the first book has topics from the entire syllabus. the questions are refined and selected looking at the past paper patterns.

The second book on the other hand is divided into 5 volumes and each volume focuses on different topics in detail.

so if you want one book for everything the first book is your option, and if you want the topics to be in detailed and through, the second book is your option.

Hope it helps

Good luck