Gene Cloning and Manipulation. Howe, C.. Cambridge University Press. 2007. 256 pages. ISBN 9780521817936. Price £65.00 ($120.00) (hardback). ISBN 9780521521055. Price £25.99 ($48.00) (paperback).
Speciation in Birds. Price, T.. Roberts & Co. Publ. 2007. 512 pages. ISBN 0974707783. Price $59.95.