there we usually get 50-80% off the original prices. their next on coming sale is on the 8th and 9th of november, which is few weeks away. it is great idea to have a library in your classroom. i have one set up in my classroom. every morning i have a dear session where students drop everything and read for 10 minutes. it has been very effective and students have improved their reading skills as well. this has helped students to build their interest in reading as well. 