Reading in the Content Area
Common Core State Standards: Resources from Booklist
From the Carl B.'s collections:
(note the ability to narrow to "Guides - Classroom - Teacher" under Publication Type)
This provides online access to 1000s of full-length books in Concordia's collection. Note that you may limit to "Education" on the landing page and then create your search in the Advanced Search boxes.
How to search eBrary