The tale of +, -, ÷ and x
The protagonist, poor Cross, is driven out of the city by the typographic characters that make up the books, why? She’s considered useless. Luckily, her faithful friends Two Points, Hyphen and X have accompanied her, choosing to share her exile for solidarity. Their pilgrimage takes them to the village of Numeral, where they become acquainted with a new type of letters, Roman numerals. Resuming their journey, they’ll land in the City of Arabic numbers: will a new life await them there? They’ll discover that they have a fundamental role, and from the outcasts they were, they’ll become the symbols of addition, multiplication, subtraction and division.
An adventure in the world of the 4 operations, to discover the concepts underlying mathematics in a fun way.
Jacopo Olivieri, a versatile artist, started off as an illustrator and cartoonist. He worked for years in the theatre as a costume designer and set designer. He has published children’s books with the leading Italian publishing houses.