Het Esperanto in Twintig Lessen

A language learning textbook written in the early 20th century. The book aims to teach the constructed international language Esperanto in a structured format, dividing the instructional content into twenty lessons. It explores the fundamental principles of Esperanto, including grammar, vocabulary, and pronunciation, while also providing guidance for Dutch speakers who may have forgotten their grammatical rules. The opening of the book begins with a preface that underscores the importance of experience as a teacher, suggesting that previous textbooks on Esperanto proved too concise for learners. The author recognizes a need for a more comprehensive guide that accommodates those who might lack recent schooling in Dutch grammar. In the early lessons, foundational concepts are introduced, such as the alphabet, nouns, verbs, and adjectives, with clear explanations and examples tailored for those new to the language. The structure sets a practical tone, emphasizing self-study and classroom use, aiming to facilitate the growth of Esperanto as a global auxiliary language.