Thai education authorities have recalled 2,000 high school maths books after it emerged that a female ‘teacher’ shown on the cover is in fact a Japanese porn star, according to report by Khaosod English.

Three thousand copies of the book had already been printed by the time the publisher realized its error, with 2,000 already dispatched to 10 high schools.

“We will recall the problematic textbooks from every college that purchased them, and we will ship textbooks with new covers to them,” said Chaipruek Serisak , secretary general of Thailand’s Office of Vocational Education Commission (VEC).

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