The Sao Paulo state government decided this week to largely replace textbooks with e-books in high schools, sparking a row in Brazil, where education experts and publishers warned the move could have negative consequences.

The Sao Paulo state government decided this week to largely replace textbooks with e-books in high schools, sparking a row in Brazil, where education experts and publishers warned the move could have negative consequences. Book publishers also voiced "deep concern" over the measure, warning the damage to the textbook industry could prove "irreparable."