Flash Harriet , the famous girl detective, is on the trail of a crime... and it has led her to the shores of Loch Ness. Find out what happens in this comic detective story.

* Topaz/ Band 13 books offer longer and more demanding reads for children to investigate and evaluate.

* Text type - A humorous story.

* There are chapters, which give the book an adult feel.

* There is a reader response page, which gives important clues to the 'Mystery at Swag Hall'. These help young readers review the plot and know the importance of clues in their own adventure writing.

* Curriculum links - Citizenship: Respect for property; DT: Moving monsters.

* This book has been quizzed for Accelerated Reader.

This book features in the following series: Collins Big Cat, Topaz Series .

. This book is part of a reading scheme, meaning that it is a book aimed at children who are learning to read. This reading scheme has multiple levels. This reading book uses the phonics method. This approach concentrates on teaching children how to map between sounds and spellings, allowing them to decode written words into their constituent sounds. Phonics skill thus involves being able to split the written word 'cat' into the phonemes /k/, /a/, /t/, and to map from letter 'c' to phoneme /k/, from letter 'a' to phoneme /ae/ and from letter 't' to phoneme /t/. Decoding skill is useful when reading unfamiliar words which use regular spelling sequences.

There are 32 pages in this book. This book was published 2007 by HarperCollins Publishers .

Karen Wallace is the author of more than 90 books for children. Sarah Nayler lives in London with her husband and daughter. Already a highly successful artist, this is her second picture book. Collins UK has been publishing educational and informative books for almost 200 years.