Buy from our bookstore and 25% of the cover price will be given to a school of your choice to buy more books. *15% of eBooks.
Books By David Callahan - Author
David Callahan is a nature writer and lifelong birder, with a particular interest in the sites of southern England. He has travelled the world in search of birds, and also trained as a taxonomist at the Natural History Museum and the Zoological Society of London. He was staff writer at Birdwatch magazine for more than 10 years.
