This book constitutes the proceedings of the 13th World Conference on Mobile and Contextual Learning, mLearn 2014, held in Istanbul, Turkey, in November 2014. The 20 revised full papers and 17 short papers presented were carefully reviewed and selected from 65 submissions. The papers are organized in topical sections on technologies and interaction; tablets and ebook readers; learning and teaching inside and outside the classroom; learning design and design implications; evaluation and review studies; development and national perspectives; inquiry-based learning and science applications; work-based learning; theory; language learning; learner perspectives.