The Aldens begin their adventure by making a home in a boxcar. Their goal is to stay together, and in the process they find a grandfather.

Teenage detective Nancy Drew uses her courage and powers of deduction to solve the mysterious happenings in an old stone mansion.

A cross-eyed baseball pitch...
A missing penknife named Excalibur...
Poems that pack a punch...
A kid-lover tumed kidnapper...
And some tall tales that come up short!
These are just some of the ten brain-twisting mysteries that Encyclopedia Brown must solve by using his famous computerlike brain. Try to crack the cases along with him—the answers to all the mysteries are found in the back!

A carrier pigeon furnishes Nancy with a clue to a mysterious retreat.

Encyclopedia Brown has an uncanny knack for trivia. With his unconventional knowledge, he solves mysteries for the neighborhood kids through his own detective agency. But his dad also happens to be the chief of the Idaville police department, and every night around the dinner table, Encyclopedia helps him solve some of the most baffling crimes. With ten confounding mysteries in each book, not only does Encyclopedia have a chance to solve them, but...

Third-grader Dink and his detective friends hope to receive a big reward by finding the person whose video recorder picked up a picture of the local bank robber.

The solutions to 10 mysteries solved by Leroy "Encyclopedia" Brown are given in a separate section challenging the reader to match wits with the 10-year-old mastermind of Idaville's war on crime.

Encyclopedia Brown, brilliant fifth-grade amateur detective, solves ten crimes. The reader may match solutions with those at the end of the book.

Idaville's secret weapon against lawbreakers, ten-year-old Encyclopedia Brown, assists the police force with ten insoluble cases. Solutions are at the back of the book.

Nate the Great solves the mystery of the missing picture.