Monsoon Commerce is joining the fast-growing online textbook rental market, which has attracted a lot of venture capital and fast-growing players such as Chegg and BookRenter. Calling it “the first online textbook-rental marketplace”–since it will have multiple vendors offering, and the sellers are also the renters–they are enrolling seller/renters now through Alibris to prepare for next fall’s back-to-school season. They say in the announcement that “current estimates put textbook rentals at nearly 15% of the online textbook market. CEO Brian Elliott says after the Alibris launch, “we’ll extend the book rental capabilities we’’ve built to our Monsoon Commerce retail partners.” […]