The National Publishing House of Children's Literature Rainbow has gleeful traditions and history. Founded in March 1934. Over 10,000 titles of books have been issued over a period of time, with a total circulation of 1.5 billion copies of publications addressed to children of all ages, as well as their parents and educators. The books are mainly published in Ukrainian (99%) and in the languages of national minorities of Ukraine, as well as in English, Polish, German, Spanish, Polish, Bulgaria