I love this corner as well as the quote! I think a 'cozy corner' that encourages a positive physical environment to read in not only is a special place students can go to do so, but it also encourages reading.
Tree idea for Reading Area, tent. Options: attach some of the branches to the ceiling /or drape thin blue cloth for sky/night sky. Add white Christmas lights to the "sky" i. on the hanging fabric or wall ceiling.
Quiet turtles classroom management strategy that kids LOVE! Lots of wonderful behavior management strategies to help with a noisy talkative class. I like the title strategy. Usable for short classes like Sunday School