What's Missing? Puzzles for Educational Testing This series of "What's Missing?" presents new puzzles of graduated difficulty (easy to difficult) for educational settings. This book series can be used to screen for literacy, visual-spatial skills, simultaneous processing, gestalt perception, memory, and other cognitive skills among children, youth, and adults. Each book in this series presents the same puzzles in a different language, for comparison of language competency and cognitive skills across languages. (Note: At the time of publication, normalization data was not available.) What's...