In operation for over 25 years, Callis has more than 300 titles in its catalogue. Miriam Gabbai founded the company in 1987, publishing Famous Children, the company’s first children’s series. Callis aims to educate children and young adults in Brazil. Its catalogue includes works on art, history, popular culture, music, math and literature by well-known authors such as Daniel Munduruku, Eliandro Rocha, Suppa, Jonas Ribeiro, Ionit Zilberman and Rosinha. Many books have been officially recommended by the FNLIJ, and won the Jabuti and João-de-Barro awards.