All Mathematical Adventures (set of 4 books)

The books by Vladimir Levshin turn the acquaintance with mathematical and logical concepts into an exciting and fun adventure that will awaken the reader's interest in mathematics and help master the school curriculum. The main characters of his books are curious lovers of literature and mathematics, the playful Nulik, curious students, the Master of Dispersed Sciences, and his constant companion Unity.
Together with them, you will easily remember even the most complex rules of mathematics, physics, and astronomy, and learn about poets and artists.