Build vocabulary and critical thinking skills with more than 200 word-based puzzles featuring words from America's best-selling Merriam-Webster's Collegiate(R) Dictionary. Perfect for on-the-go fun, this collection is packed with a variety of puzzles that will keep your mind sharp and entertained. Puzzles include crosswords, word searches, anagrams, addagrams, word ladders, elevator words, add-a-words, acrostics , and cryptograms . Answer key found at the back of the book. Spiral bound , 192 pages.