It’s a cute little book. Benny’s friends all wondered off for the summer so Mrs. McGregor invites Canadian son of a friend Rory over for the summer.

One thing leads to another and a telegraph between the boys’ rooms leads to the mystery of a missing coin collection. Along the way, they learn more about the mystery of the house, find a fun old local store, and of course eventually solve the mystery.

It all goes to show that you can even find a mystery stuck at home[^ish]—great news in the age of coronavirus.

[^ish]: Although having a giant old house like Grandfather dies likely doesn’t hurt. :) ( )

Mystery behind the wall is the 17th book from the boxcar children series. The book is based on the Alden children and there discovery of the journal in the house that leads them to a great mystery.

I love all of the boxcar children and this book has always been my favorite!

I would use this book with 4th or 5th grade students and use it as part of a reading assignment where the students are to choose two or three books from the a series and read them all while journaling and at the end of the assignment recap on the books. ( )

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