* Fun and easy-to-grasp, yet based on solid programming principles of object-oriented programming * Visually oriented-teaches programming by commanding turtle to move through loops, variables, procedures, and AI * Suitable for any reader, from curious children to adults, who'd like a gentle, methodical approach to core programming concepts

Stephane Ducasse obtained his Ph.D. at the University of Nice-Sophia Antipolis and his habilitation at the University of Paris VI. He was recipient of the SNF 2002 Professeur Boursier Award. He is now a professor at the Universit de Savoie. Ducasse has written several books in French and English. Ducasse's fields of interests include reflective systems design, object-oriented language design, software component composition, application implementation and design, and object-oriented application reengineering. He is the main developer of the Moose reengineering environment. Ducasse also loves programming in Smalltalk and serves as president of the European Smalltalk User Group. He is committed to the Squeak community.