The Seas Of Russia
This book invites young readers to explore the seas of Russia and learn a lot: how many seas wash the shores of country and oceans to which they relate; why the Black sea called "black"; what is the sea the fresh, where there are sharks, and whales; where can you find amber, and more. At the end of the book readers will find the quiz.
More detailed: https://www.labirint.ru/books/753863/
Publishing house: BHV-Petersburg, 2020.