#1 Mushroom Miscellany by Patrick Harding
A book of fascinating facts about fungi, it covers a huge amount of information ranging from folklore to medical uses.
#2 Shark Drunk by Morten A. Strøksnes and translated by Tiina Nunnally
Easy to read, provides a large amount of information about Greenland sharks, and the trials of two men trying to capture one.
#3 Spying on Whales by Nick Pyenson
Beautifully written book about the history and the future of whales.
#4 Wicked Plants by Amy Stewart
Incredibly interesting book that provides a huge amount of information about poisonous plants and where they can be found, along with the history of all the plants within the book.
#5 The Art of Taxidermy by Jane Eastoe
A beautiful selection of taxidermy photographs, including information about the history and modern application of the art.