Which manhattan prep book?

GRE General
1

This is the one linked in the week 1 materials:

https://www.amazon.com/lb-Book-GRE-Practice-Problems/dp/1506247598/ref=sr_1_1_sspa?crid=33R3GUJ930W73&dchild=1&keywords=manhattan+5lb+gre&qid=1616053983&sprefix=manhattan+5,aps,205&sr=8-1-spons&psc=1&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUFXS0FZNElJSDhQVFEmZW5jcnlwdGVkSWQ9QTAwMzUzMjJQNk43OEhWTVkxSlcmZW5jcnlwdGVkQWRJZD1BMDQ5NTMxOTJXOFhTQ1JMUk4zSUsmd2lkZ2V0TmFtZT1zcF9hdGYmYWN0aW9uPWNsaWNrUmVkaXJlY3QmZG9Ob3RMb2dDbGljaz10cnVl

and this one claims to be updated for the shorter GRE:

https://www.amazon.com/gp/product/1506295304/ref=ewc_pr_img_2?smid=ATVPDKIKX0DER&psc=1

2

Go with the most recently released material whenever possible; sometimes the linked material is out-of-date. Plus, the newer one is cheaper.