21 Lektionen für das 21. Jahrhundert - Alternate Version
Yuval Noah Harari
Why We Sleep: Unlocking the Power of Sleep and Dreams
Matthew Walker
Mexican-American Schoolchildren: A Neo-Piagetian Analysis
Edward A. de Avila & Barbara Havassy & Juan Pascual-Leone
Encyclopedia of World Cultures
David Levinson
Chambers Concise Dictionary
Ian Brookes
Philosophical Dimensions in Mathematics Education
Karen Francois