Block GeniusIn one volume, quilters will find over 200 classic blocks that they can use to hone their sewing skills, in block exchanges or to create wonderful block sampler quilts. In this impressive collection, the author organizes the blocks in groups of 2in x 2in, 3in x 3in, 4in x 4in,, and 6in x 6in grids with instructions and math provided for 6 , 9 and 12 inch blocks. This book is a block library that will be a quilter's go to source for reference,