Moving Through Dimensions approaches spatial reasoning through one-dimensional, two-dimensional, and three-dimensional tasks designed for students in the middle

Nine field-tested exiting lessons; hand-on exploration of spatial dimensions (1D, 2D & 3D); inquiry-based approach to studying math; higher level thinking chall

Are there other dimensions beyond our own? Is time travel possible? Can we change the past? Are there gateways to parallel universes? All of us have pondered su

A book that combines science fiction, satire of Victorian society and politics, proving to be a great literary allegory. The illustrated world is populated by S

A classic book about life in a two-dimensional universe, written by a well-known author. Now brought back into print in this revised and updated edition, the bo