FAQ Category: Sibley's Birding Basics

What does “flexibound” mean?

A “flexibound” binding is a flexible cover that is thicker than a typical paperback and extends beyond the page edges. It is intermediate between the traditional “paperback” and “hardcover” styles, and many sellers simply list it as one of those categories, causing some confusion.

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 »