Discover Shapes Level B Reader: Find the Diamond Beginning readers identify things that are diamonds in this very simple 20-page reader. Sample Text: I see a sign. The sign is a diamond. This book is a step-up from the paired book in the Discover Shapes series, DIAMOND. Xist Publishing creates books that inspire discovery and delight in young children. We're dedicated to helping children discover a lifetime love of reading, no matter what form it takes.