Sonja Lang books in order
1 book in the catalogue, about 3 hours of reading.
1 series in the catalogue.
Official Toki Pona
3 books 1 Toki Pona: The Language of Good 2.7 h
2 Toki Pona Dictionary length not known
3 The Wonderful Wizard of Oz (Toki Pona edition) length not known