Bibliotherapy means therapy through books and is an effective technique which can be used to help children cope with their problems and thus promote mental health. And with this improved mental health children should be better able to achieve in the classroom.
Ouzts, Dan T.
"Breaking the Emotioanl Barrier through the Bibliotherapeutic Process,"
3, Article 1.
Available at: http://scholarworks.wmich.edu/reading_horizons/vol24/iss3/1