Are you thinking of genrefying your library? I did it, and it has made a world of difference in helping kids select books they enjoy and return to their favorite genres again and again. I use nine color coded genres - fantasy, animal fiction, humorous fiction, scary fiction, realistic fiction, sports fiction, historical fiction, science fiction, and adventure/survival/mystery. I used Demco® Color-Tinted Glossy Label Protectors (1 1/4 inch by 3 1/8 inch) to color code the spine labels in my libra