Reader
A reader was educational book or tape designed to teach children how to read.

First grade 
The first grade reader was found in the  ship's library designed to teach young children to read at the first grade level.

Examples of text
 "See the dog."
 "See the dog run."
 "The dog has a ball."
 "The ball is blue."

In 2267, during an attempt to reeducate Uhura after she had her memory erased by the Nomad space probe, Christine Chapel helped the lieutenant sound out words in the first grade reader. Uhura, however, had some difficulty with the text and began speaking what she read in Swahili rather than in English, but eventually she read it correctly, earning a sisterly hug from Chapel. ()

Fifth grade 
A fifth grade reader was an instructional book for students at the fifth grade level.

While recording his captain's log in 2368, Jean-Luc Picard recalled reading of the ancient Bajoran civilizations in his fifth grade reader. ()

External link 
 
Education
Literature genres