Which book should I buy about birds of prey?

My mum is really interested in birds of prey so I want to get her a book about them for her birthday.
Which of the following do you think would be best or do you have any other suggestions…?

Collins Birds of Prey.

My aunt is a bird enthusiast, and she loves all the Collins guides.

Smithsonian Field Guide to Birds: Ted Floyd, Part 1

National Geographic TOPO! Weekend Explorer 3D (Denver Area and the Front Range) $9.00 AD00003001 Features: -Map.-Printed on waterproof material.-Tear resistant.-Stands up to the rigors of travel.-Made in USA….

A Field Guide to Reptiles & Amphibians of Eastern & Central North America (Peterson Field Guide Series) $7.99 Peterson Field Guide: Reptiles & Amphibians – East…

Birds of Europe: (Second Edition) (Princeton Field Guides) $19.70 Since it was first published a decade ago, Birds of Europe has become the definitive field guide to the diverse birdlife found in Europe. Now this superb guide has been brought fully up to date with revised text and maps along with added illustrations. Uniquely designed for easy use in the field, this expanded edition covers all 772 species found in the region as well as 32 introduced species or v…

A Nest Full of Eggs (Let’s-Read-and-Find-Out Science, Stage 1) $2.72 This first look at robins follows a full year of growth and change: how the birds develop inside their egg during the spring, how they mature from chicks into fledglings in the summer, how they learn to fly in the fall, and how they leave for warmer climes in winter—only to return when spring comes around again. 1995 Best Children’s Science Books (BL)…

Thomas and Sarah $25.60 Studio: A&e Home Video Release Date: 04/27/2004 Run time: 676 minutes Rating: Nr…