The Prentice Hall Biology course is a very good one - generally scientifically rigorous and fairly thorough. I'm currently doing the labs for my own son as well as a couple of other homeschooling teens, and it's worked out nicely. I ordered this extra lab manual for when my younger son needs it in a few years when I'll run this lab course with him. I would not try to run this lab, however, without the Teacher's Edition, which gives many tips on preparing the lab.
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