HELLO Aspirant Hope you are doing good. here is the list of books which  can  help you in this journey.

1)A Complete Self Guide for B.Arch Entrance Examinations - Arihant Books

2)NATA Mock Test Series  2020-21- SPA Alumni and CEPT  Alumni

3)Engineering drawing- N.D . Bhatt and  VM panchal

4)Verbal and  Non-verbal Reasoning Book-R.S agarawall

5)Plain trigonometry Part-1- S.L. loni

6)higher algebra- Hall and knight

7)NATA exam full package-LearnX

Hey there

Mentioned below are the name of the best books for preparation for National aptitude test in architecture:

1. Learnx NATA Bachelor of architecture
2. NATA Bachelor of architecture complete self study material
3. R gupta's steps to architecture best of Architecture NATA.
4. Arihant a complete self study guide Bachelor of architecture.

For more: https://www.google.com/url?sa=t&source=web&rct=j&url=https://engineering.careers360.com/exams/nata/amp&ved=2ahUKEwj9hqPtrrH0AhX0TWwGHTRcBCkQFnoECAcQAQ&usg=AOvVaw1Ig3TpLuxTyzioej5_5DGi&ampcf=1