Zak has fur, a tail and is known as The Dog Frog. Zak has a wonderful spirit of adventure and a dog called Mac who shares the adventures. Throughout the 12 stories the bright humorous illustrations now have backgrounds.
Zak's stories continue to consolidate Basic Words and Strategies introduced in the previous two series, while introducing new ones. Sentence Structure, Text Layout and Number of Words per story are gradually increasing in difficulty. Trust, problem solving, adventure and sharing are strong in this series.