and why?..
i've done thorough research on which AP bio review book to get,and every source says a different thing
so i was considering getting multiple...would you suggest this or would this not be good.. and why?
(deciding between: Cliffs, 5 steps to a 5, Princeton review, Barron's)
please say:
1) if i should you multiple or just 1-2..and why
2) any experience you've had with these books and AP sciences
3) if you want/have an opinion, which books you think i should get
thankss!!! top points :)
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