While searching for zoo books on Amazon, I found this new reprinting of the official guidebook from 1911. Thought some of you in the UK might be interested.
[ame=http://www.amazon.com/Official-Gardens-Zoological-Society-London/dp/1112555285/ref=sr_1_37?ie=UTF8&s=books&qid=1277095054&sr=1-37]Amazon.com: Official Guide to the Gardens of the Zoological [/ame]
[ame=http://www.amazon.com/Official-Gardens-Zoological-Society-London/dp/1112555285/ref=sr_1_37?ie=UTF8&s=books&qid=1277095054&sr=1-37]Amazon.com: Official Guide to the Gardens of the Zoological [/ame]