Ricardo Garay 
Professor Elibius and the numbers 

This didactic collection presented by the character Professor Elibius, will show for the children colorful and fun themes such as: numbers, letters, hours, the solar system the table and more 15 subjects. An educational collection, very useful to present to the small themes important to your learning, in a playful way. In this volume: the numbers — they are presented the numbers in which each of them is a personage, with its numerical and alphabetical spellings.