Short answer: Choose current editions for clinical content, buy fewer books and revise from them repeatedly.
Core clinical books
Ask faculty for the main text for each subject and stick to it.
Edition matters
Clinical guidelines change, so prefer recent editions.
Revision books
A short revision book helps close to exams, but only after reading the main text.
Frequently asked questions
How many books per subject?
One main text and one revision resource is common.
Where can I sell old medical books?
On Bookaao; the sale amount is settled after delivery, minus the platform fee.