Secrets of Mental Math: The Mathemagician’s Guide to Lightning Calculation and Amazing Math Tricks by Benjamin, Arthur; Shermer, Michael Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less
@riseup.netSecrets of Mental Math: The Mathemagician’s Guide to Lightning Calculation and Amazing Math Tricks by Benjamin, Arthur; Shermer, Michael Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less