The practical handbook "From A to Z - Practical Handbook on Literacy" offers a comprehensive introduction to the topic of illiteracy, particularly in the context of migrants. It provides fundamental theoretical knowledge and explains the goals and content of literacy work with adults. The book is aimed at educators and offers practical methods for teaching that are suitable for both beginners and advanced learners. Additionally, strategies for dealing with heterogeneous learning groups are presented to promote learner autonomy. Numerous exercise examples support the implementation of the content in the classroom and provide valuable suggestions for practice.