There are many different types of dogs. They can be big or little. Dogs can be good pets for families, and some dogs can help people. Find out what else dogs are good at. Orange level titles introduce new words and reinforce those already encountered. Three-syllable words are included and readers encounter different story structures – such as traditional tales and plays – to build writing skills. PM Non-fiction books are carefully researched, presenting factual information accompanied by superb photography and realistic illustrations to engage young readers.