The following piece is cross-posted on the YALSABlog. For more cross-under resources, visit The Hub. Whether we’re serving older teens whose tastes have matured or trying to appease faculty members who need to catch up on a book club, teen and youth librarians are all familiar with adult cross-overs–books originally published for adults that nonetheless have teen appeal. (YALSA even has an award for them!) But what about cross-unders? With limited budgets, it can be tempting to limit young adult collections to titles actually written for young adults. And the question of where to shelve books has always been a touchy subject–if teens are reading adult books, should the library buy two copies? Are teens even allowed in the children’s area? In schools, we can’t expect teens to leave the building to find the books they want to read–and again, high school students may not even be able to check…