Which babies lived in their mother's pocket? When did reptiles appear? Where did birds come from?With detailed, lively answers to these and many other fascinating questions, I Wonder Why Fish Grew Legs is a perfect introduction to the world of prehistory. Combining incredible information with awesome artwork, it is guaranteed to amaze and inspire!

4 What is prehistory?

5 How do we know about prehistoric life?

6 When did life on Earth begin?

7 What is evolution?

7 What is extinction?

8 When did fish appear in the oceans?

9 Were sharks around in prehistoric times?

9 What were the sea scorpions ?

10 When did plants 9 eta foothold on land?

10 Why were prehistoric plants important?

11 Why did fish pop their heads above water?

12 Why did fish grow leg s?

13 Where did coal come from?

13 Which insect was as big as a bird?

14 When did reptiles appear?

15 Which animals grew sails?

15 Which were the first furry animals?

16 What were the ruling reptiles?

17 How lon9 did dinosaurs rule the land?

18 Did dinosaurs rule the skies?

19 Did dinosaurs rule the seas?

20 Where did birds come from?

20 When did the first flowers bloom?

21 Why was Tyrannosaurus king of the dinosaurs?

22 Were mammals around in dinosaur times?

23 Which babies lived in their mother's pocket?

24 How do we know the dinosaurs died out?

25 What killed the dinosaurs?

26 Which animals took over from the dinosaurs?

27 When were elephants as small as pigs?

27 Which cats had daggersized teeth?

28 Who was Lucy?

28 When did humans get handy?

29 Who were the first explorers?     

29 Who were the wise humans?

30 What were the Ice Ages?

30 Did Ice Age people live in caves?

31 Who were the first farmers?

32 Index