12 February 2013 - Twitter @davedittell

"expand that into an entire grammar workbook. btwn that & Teaching W/ Calvin & Hobbes our educational system can still be saved"

https://twitter.com/davedittell/status/301433193763069952

11 February 2013 - Space Station 11

"Okay so I'm kind of just killing time here until the Wild game starts, and I look over at the little bookshelf in my room and think to myself, 'Oh, I should create a Google Doc for the Calvin and Hobbes books I don't have.' I've been meaning to do that for some time as I could never remember which ones I still need when I was at a book store (only five left!). And lo did I run into a gem! A gem I will probably never be able to afford!

"The book pictured above is (the only?) officially licensed merchandise by Bill Waterson, a textbook called 'Teaching with Calvin and Hobbes.'"

http://spacestation11.blogspot.com/2013/02/teaching-with-calvin-and-hobbes.html

5 February 2013 - Twitter @HakesAmericana

"Written by a speech-language pathologist and a learning disabilities educator, 'Teaching with Calvin and Hobbes'..."

https://twitter.com/HakesAmericana/status/298857239123464193