ISBNs beginnend mit 978-3-99045-xxx-xHoward Pyle ×Bücher × Helbling Readers Red Series, Level 1 / King Arthur, Class SetHelbling Readers Classics, Level 1 (A1)Howard PyleHelblingSoftcover2016 Helbling Readers Red Series, Level 1 / King Arthur, Class SetHelbling Readers Classics, Level 1 (A1)Howard PyleHelblingSoftcover2019 Helbling Readers Red Series, Level 2 / Robin Hood, Class SetHelbling Readers Red Series / Level 2 (A1/A2)Howard PyleHelblingBuch2019
