Este libro ilustrado para ni~nitos pregunta cuantas crias tienen las madres de canguros, osos polares, leones, erizos, gatos, conejos, ratones, cerdos, perros, peces y seres humanos. Contesta las preguntas con el numero. This illustrated book for small children asks how many babies the mothers of kangaroos, polar bears, lions, hedgehogs, cats, rabbits, mice, pigs, dogs, fish and humans have. It answers the questions with the numeral.

"Minimal, fun text and bright illustrations" introduce the number four and show where it appears "in the child's world--whether in a park, on a city street, or at a party."