"The Butterfly Grammar" has been written by Irina Tyk as the sequel and companion to "The Butterfly Book". It takes chil... MoreThe Butterfly Grammar: A Course for Better English
Learning to read is the basis of a good education. Children who read well and read early gain an advantage that will sta... MoreThe Butterfly Book: A Reading and Writing Course
The language of numbers is universal: it crosses cultures and continents. Like all languages not native to the speaker, ... MoreThe Butterfly Arithmetic
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