397836_10152809058870529_1638068187_nIn case you haven’t heard, this week is Teacher Appreciation week and Dr. Seuss digital book app maker Oceanhouse Media is celebrating.

They put all six of their “The Cat in the Hat’s Learning Library” book apps are on sale for a limited time.

Covering a range of topics from space to insects, dinosaurs to geology these could be a nice teaching aid for educators or a way to continue the learning experience at home with your own children.