iPad apps are making their way into the classrooms of elementary schools across the country, as part of a pilot program for kids who are growing up in the digital realm.

And textbook publishers are taking advantage of the program by redesigning their books to be tested in these pilot classrooms.

The Boston Globe reports: “The devices offer a digital platform for longtime print textbook publishers like Pearson Education Inc… Last fall, the company launched what it claims is the nation’s first-ever complete social studies curriculum for the iPad, in partnership with Virginia officials. Houghton Mifflin Harcourt Publishing Co. has also redesigned a classic textbook to take advantage of the iPad. Since early September, around 400 students in California have been learning algebra via a new iPad-only program designed by the Boston company.”

Publishers have learned that iPads work well for selling children’s books to toddlers, so it makes sense that textbook publishers would follow suit and release book apps for a slightly older audience.