In this impressive collection, quilters will discover a rich compendium of 201 classic blocks that they can use to hone their sewing skills and create wonderful block sampler quilts. With step-by-step instructions, expert advice, and detailed diagrams, make construction a snap without special rulers. Block Genius will show you how to construct half-square and quarter-square triangles, flying geese, square-in-a-square, and parallel blocks, plus provide tips on fabric selection, color choice, cutting, pressing, and sewing. The best part is all the math is done for you! The author provides accurate dimensions for each cut so you can easily size your blocks for six, nine, and twelve-inch blocks. This delightful block library is sure to become your go-to resource for reference, inspiration, and instruction.