The lost puppy by Clara Vulliamy

Dotty Detective series. Harper Collins Children's Books, 2017. ISBN 9780008248376
(Age: 6+) Recommended. Themes: Detectives; Pets. Dot is an amateur detective - she uses clues to join the dots to solve her cases. In fact her detective agency is called: "Join the Dots Detectives"! With the help of her friends and her very special assistant, McClusky (her pet dog), she is engaged in solving the mystery of the missing dachshund, just before the summer fair and her class's Pets Corner stall.
Written in a very simple style with cartoon style drawings, this is a cute and easy to read school-based story. It will appeal to young readers just finding their feet with chapter books.
Carolyn Hull