The Eight Books on Medicine of Aurelius Cornelius Celsus (Adapted to the Hamiltonian System with Interlinear English Translation) [Hardcover] Spanish Worman is a comprehensive German

Worman is a comprehensive German language textbook that covers all aspects of German grammar

which aims at the development of linguistic ability through the pupil’s own self-expression in the foreign language

The English translation

This collection consist of 4 books and 6 volumes

published first in Latin and German and later republished in many European languages

The Eight Books on Medicine of Aurelius Cornelius Celsus (Adapted to the Hamiltonian System with Interlinear English Translation) [Hardcover] Spanish Worman is a comprehensive GermanTotal 417 pages with hardcover. The book can be previewed here. For more information about learning languages with the Interlinear method see the video below.