Readers of all ages have a variety of reasons why they love the daily comic strip Mutts. But for some readers, Sunday is the most special day of the week because it is the day that cartoonist Patrick McDonnell unleashes his full-color Sunday strips.<P> <P>Those Sunday-loving readers are in for a real treat with the release of Sunday Evenings. This new Mutts treasury is the fourth in the "Sunday" series and stars Earl the dog and Mooch the cat, who despite their obvious differences prefer to tackle life as a mostly harmonious partnership.<P> <P>Under the skilled pen of cartoonist Patrick McDonnell, Mutts is about far more than the simple, carefree world of pets. Underneath the banter of its endearing characters, the reader often faces the all-too-real concerns of animals and life on the planet Earth. It's what makes this book such a rich and enjoyable experience, one that readers will savor each time they page through the collection.