Three Sinogram Verses Using Radicals is a great resource that presents Chinese radicals in an easy to learn and phonetically sound fashion. The first section uses free radicals to present 56 verses, which utilize the most frequently-used radicals. The second section uses bound radicals that are included in 20 verses. A stroke index of the 172 radicals covered in the book is contained in the back section.
By Zhang PengPeng, Simplified Characters, Paperback, 95 Pages, 7.25'' x 10.25''