These are readily available from most nurseries, garden centers and bookstores.

Ortho's "All About Roses"

"Roses for Dummies"

Black & Decker's "Landscaping with Roses"

"A Year of Roses" by Stephen Scanniello. This is a hard cover which is available from book stores or online.

Time Life Gardener's Guide "Roses"

The Time Life Encyclopedia of Gardening "Roses"

"Miniature Roses, Their Care and Cultivation" by Sean McCann, another hardcover. 

"Growing Roses in Cold Climates" Olsen, Whitman

"Hardy Roses" Osborne/Powning 

Two good books with pictures and comments;
"The Ultimate Rose" by The American Rose Society.

"Botanica's Roses" The Encyclopedia of Roses forwarded by David Austin

The following are research books.

"Modern Roses II" a complete list of roses in the world now and extinct.

"The Combined Rose List" by Beverly Dobson and Peter Schneider. This is a comprehensive list of roses in commerce and where to buy them. Stop fertilizing about the middle of August.