Fun story, with the bad guys' technique being something out of a mini-Sherlock Holmes novel.
Plot
Dink, Josh, and Ruth Rose are best friends who live in the town of Green Lawn, Connecticut. Ruth Rose gets some envelopes addressed to someone else. Soon afterward, two "innocent stamp collectors" show up at Ruth Rose's house, desperate for the letters. The three friends investigate the envelopes, finding something in the empty one.
Morality
The two crooks steal something from its rightful owner. They then lie to Ruth Rose, attempting to trick her into giving them the envelopes.
Spiritual Content
God is not mentioned in this book, but the main characters (and their families) live very moral lives.
Violence
None.
Drug and Alcohol Content
None.
Sexual Content
None.
Crude or Profane Language or Content
None.
Conclusion
This series is one of the best "easy readers" ever written: the plot is enjoyable, the characters likeable, and the writing style good. This book's plot is something new that I hadn't seen before.