Hi,

Here I found one book for ATMA exam. All about atma by careers360. Here is the link of pdf to download -

https://bschool.careers360.com/download/atma-ebooks

As the syllabus consist of general topics like quantitative aptitude, comprehension ,reasoning, analytical skills, verbal skills. Any good book on these topic will be useful. Here. Are list of some books which you can refer for your preparation -

A Modern Approach to Verbal Reasoning by RS Aggarwal

Mathematics for M.B.A by RS Aggarwal

Trishna's Verbal Ability And Logical Reasoning For The CAT And Other MBA Examinations

Beside the reference book try to solve the previous years question papers. It will help you a lot to increase your marks in exam.

Hope you find it helpful.