Based on our record, BetterWorldBooks seems to be a lot more popular than Peergrade. While we know about 50 links to BetterWorldBooks, we've tracked only 1 mention of Peergrade. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Have you not searched for used book sites? There are so many and you can definitely get the size of paperback you want at usually good prices. Eg betterworldbooks.com wob.com, abebooks.com etc etc. Source: 6 months ago
I use betterworldbooks.com which is used books [mostly - some new], where a large amount of profits go to world-wide literacy projects. Source: about 1 year ago
In addition to the local options, you can also check betterworldbooks.com - I've found some good deals on used books there. Source: about 1 year ago
Betterworldbooks.com is one of my favorites. Part of the profits go towards helping libraries and literacy programs. They also have a bargain bin where the more books you buy the cheaper they get. Source: about 1 year ago
Betterworldbooks.com for every book purchased, they donate a book. Source: over 1 year ago
Lots of different companies pushing these: eduflow.com, peergrade.io, peerstudio.org, peerassessment.com, peerceptiv.com, feedbackfruits.com, and there must be others that didn't show up in my initial search :). Source: almost 2 years ago
AbeBooks - AbeBooks has millions of new & used books, rare books and out of print books.
Google Classroom - Learning management tool by Google
Bookfinder - Find nearly any book: new, used, rare and textbooks.
Wisetail - Awesome learning management system
Occupy the Bookstore - Chrome extension to easily surface cheaper textbooks
Microsoft Teams for EDU - New tools improving learning for all students