textbook
/ˈtɛkst.bʊk/ noun A2- A coursebook, a formal manual of instruction in a specific subject, especially one for use in schools or colleges.
Plural textbooks
From the library
When Anne got home that night she stacked all her textbooks away in an old trunk in the attic, locked it, and threw the key into the blanket box.
My backpack was always heavy with textbooks, and assignments seemed to never end.
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