A series of twenty non-fiction science readers which engages children in the world around them. What holds up skyscrapers? Why are sports domes curved? Why are triangles used in many bridges? You c...więcej »
A series of twenty non-fiction science readers which engages children in the world around them. Are all birds able to fly? Is a dolphin a mammal? Where do lemurs come from? You can find the answers...więcej »
Przejrzysty układWyczerpujący słownik wyrazów i zwrotów wymaganych w procesie nauczaniaUproszczona wymowa oraz wymowa w systemie IPAWszystkie niezbędne reguły gramat...więcej »