This is a book of short stories for beginners. The stories are designed that they are going to increase the vocabulary. The kid should be accompanied by some adult who can help him understand new words and their...
http://interlanguages.net/manual.html
COMPLETE MANUAL
OF THE AUXILIARY LANGUAGE
IDO
Revised by L. DE BEAUFRONT
In conformity with the decisions of the Ido Academy
IDO - LINGUO INTERNACIONA DI LA...