I found two study guide for hsk level one and two.
Chinese Characters and Vocabulary For Beginners: A Study Guide For The HSK Exam; Level 1 Puzzles (Volume 1)
Chinese Characters and Vocabulary For Beginners: A Study Guide For The HSK Exam; Level 2 Puzzles (Volume 2)
The character searches in these books are organized thematically (greeting, restaurant, work, school etc) and will help people learn by presenting the material for different learning styles. you can search the words with Sherlock Holmes.. I like the idea of having Holmes helping you find the words.. Marta