Campbell Biology, better known as the Bible of Biology, is a famous book used around the world to prepare for the biology olympiad. Indeed, it contains a good summary of major biology topics and is usually a first book any aspiring young biologist buys to begin an exciting journey to the olympiad!
Given its popularity, Campbell Biology has been published in a ton of different editions. So which what should you buy for the biology olympiad? Below we summarised the key differences between the 9th, 10th, and 11th editions to help you make a better decision!
| 9th edition | 10th edition | 11th edition | |
| Publication Date: | October 07, 2010 | November 10, 2013 | October 29, 2016 |
| ISBN-10: | 0321558235 | 0321775651 | 0134093410 |
| ISBN-13: | 9780321558237 | 9780321775658 | 9780134093413 |
| Price on Amazon | $83.98 | $60.25 | $213.55 |
What’s new in the 11th edition of Campbell Biology?
| Matched Chapters | Matched Sections | Matched Problems |
|---|---|---|
| 100% ( 56 / 56 ) | 99% ( 372 / 374 ) | 89% ( 601 / 675 ) |
So in the table above you can see the comparison between 11th and 10th editions. As you can notice, there is almost no difference between them, except that some of the problems which are new.
What’s actually new in the 10th edition of Campbell Biology?
| Matched Chapters | Matched Sections | Matched Problems |
|---|---|---|
| 100% ( 56 / 56 ) | 98% ( 366 / 372 ) | N/A |
You can see from this table above that 9th edition is almost the same as chapter 10th which is almost the same as edition 11th. Since there is no important information missing from any of the editions, you can rest assured and go ahead with buying the cheapest option which will help you prepare for the biology olympiad!
