Among the many districts of the city, one can only boast this record: have all black cats. Suddenly one completely white appears, which then denies this truth. White cats increase, increase until in the neighborhood every cat is white and nobody black. What happens if then a whole family of red cats arrives? "Black cats, white cats" is a funny and ironic story to discover the first terms and the first concepts of logic. Reading age: For 5 years.