Ferdinand Klein, the Nestor of German therapeutic and special education, summarizes his profound experiences in practical work in this volume, combined with his deep understanding of Korczak pedagogy. Readers will benefit from this approach, which sheds entirely new light on inclusion. This is a current and comprehensive foundational work on Korczak that successfully integrates its distinctive, unique reform pedagogy, rooted in a deeply ingrained religious humanism, into its essential facets as a whole. This lays the groundwork for a successful, child-friendly, and dignified inclusive pedagogy.