Sibley's Birding Basics

I see Sibley Guides for sale elsewhere as “paperback”, “hardcover”, and “flexibound”? Which one should I buy?

They are all the same (with one exception). The Sibley Guides to Birds and Trees have only one binding, called “flexibound”. It is a flexible cover, thicker than a typical paperback and extending beyond the page edges. It is intermediate between the traditional “paperback” and “hardcover” styles, and many sellers list it as one of

I see Sibley Guides for sale elsewhere as “paperback”, “hardcover”, and “flexibound”? Which one should I buy? Read More »