La infancia en las Américas. Violencia, vulnerabilidad y derechos humanosMario Cruz Martínez · First published 2018Open the Tome
Big English Plus 1 Class CDMario Herrera, Christopher Cruz, Christopher Sol Cruz · First published 2015Open the Tome
Big English 6 Teacher's EText CD-ROMMario Herrera, Christopher Sol Cruz · First published 2014Open the Tome
Big English Plus 1 Pupil's BookMario Herrera, Christopher Sol Cruz · First published 2014Open the Tome
Big English Plus 4 Pupil's BookMario Herrera, Christopher Sol Cruz · First published 2013Open the Tome
Los viejos de la Plazoleta del Rosario de BogotáMario Barbosa Cruz · First published 1998Open the Tome
