Biology E Subject Test -- Which Prep Book?

I signed up for the October SAT, planning to take Biology E.

I took Biology Honors freshman year, but I honestly do not remember much, so I will have to self-study everything on the subject test. I just wanted to know which prep book is better for someone who has no knowledge on bio E: Princeton’s or Barron’s? In other words, does Princeton Review cover everything that is on the test? And does Barron’s have superfluous information that would be a waste of my time to study?

Thank you for your help!

I took the Biology E test today too, I read Barrons not much help, apparently some of the questions were very similar to those in Princeton Review

Barron’s is honestly the best.