This hardcover book titled "Wildflowers: A Collection of U.S. Commemorative Stamps" features a variety of beautiful stamps that highlight different types of flowers. The book, published in 1992 by the US Postal Service's Philatelic Marketing Division, is a great addition to any stamp collector's library.

The book contains stunning illustrations and detailed information about each stamp, including its history and significance. It is written by Sara Day and falls under the nonfiction genre. Whether you're a stamp enthusiast or simply love flowers, this book is the perfect choice.