Engaging Kids with the Concept of Sustainability Using a Commercial Video Game - A Case Study.- Engaging Kids with the Concept of Sustainability Using a Commercial Video Game - A Case Study.- Doing It Right: Combining Edutainment Format Development and Research.- Edutainment Robotics as Learning Tool.- SoundTag: RFID Based Wearable Computer Play Tool for Children.- A Comparison between Drill-Based and Game-Based Typing Software.- Widget-Based Simulator for Testing Smart Space.- Entertaining Education - Using Games-Based and Service-Oriented Learning to Improve STEM Education.- Learning English through Serious Games - Reflections on Teacher and Learner Performance.- Motivational Factors in Educational MMORPGs: Some Implications for Education.- A Distributed Multi-agent Architecture in Simulation Based Medical Training.- Designing a Trading Card Game as Educational Reward System to Improve Students' Learning Motivations.- Sketch Learning Environment with Diagnosis and Drawing Guidance from Rough Form to Detailed Contour Form.- Regular Papers.- Application of Visualization in Virtual Endoscopy System.- Design and Implementation of Virtual Museum Based on Web3D.- Large Area Interactive Browsing for High Resolution Digitized Dunhuang Murals.- Research of Autonomous Active Control for Virtual Human Based on Emotion-Driven Model.- An XML-Based Interface Customization Model in Digital Museum.- Animation as an Aid for Higher Education Computing Teaching.- Bringing Integrated Multimedia Content into Virtual Reality Environments.- Virtual Reality House for Rehabilitation of Aphasic Clients.- Investigating the Effects of Educational Game with Wii Remote on Outcomes of Learning.- Using Computer Games for Youth Development.

With great pleasure we would like to present the third volume of the journal Trans- tions on Edutainment. This journal, part of the Springer series Lecture Notes in C- puter Science, is devoted to research and development in the field of edutainment. Edutainment, also known as educational entertainment or entertainment-education, denotes all forms of entertainment designed to educate as well as to provide fun. This approach is motivated by the growing demands on individuals for life-long learning and the need to integrate effective learning opportunities throughout life. As such, edutainment has attracted increasing interest in the last few years. The first 12 articles of this issue represent a selection of outstanding contributions from Edutainment 2009, the 4th International Conference on E-Learning and Games held in Canada, in August 2009. The main purpose of the Edutainment conferences is the discussion, presentation, and information exchange of scientific and technological developments in the new community. These 12 papers cover mainly the topic of using games to stimulate learners' learning motivation, i. e.