A. Usachev

• Tablitsa umnozheniya v stikhakh
• Bol'shaya kniga Baby-Yagi (Detskaya literatura)
• Gde pryachutsya tsifry
• Gribok-teremok
• Medvezh'ya skazka, ili Kak medvedyu zub lechili
• Pro kroshku-Drakoshku
• Schitalki
• Veselaya matematika