Rothman, Joel

Compare Name: 
rothmanjoel

Secrets with ciphers and codes

Introduces ten encoding methods using numbers, rearranged letters, colored squares and dots, and other systems. Provides a message to decipher with each method.

Secrets with ciphers and codes

Introduces ten encoding methods using numbers, rearranged letters, colored squares and dots, and other systems. Provides a message to decipher with each method.

Secrets with ciphers and codes

Introduces ten encoding methods using numbers, rearranged letters, colored squares and dots, and other systems. Provides a message to decipher with each method.

Secrets with ciphers and codes

Introduces ten encoding methods using numbers, rearranged letters, colored squares and dots, and other systems. Provides a message to decipher with each method.

Secrets with ciphers and codes

Introduces ten encoding methods using numbers, rearranged letters, colored squares and dots, and other systems. Provides a message to decipher with each method.

Secrets with ciphers and codes

Introduces ten encoding methods using numbers, rearranged letters, colored squares and dots, and other systems. Provides a message to decipher with each method.

At last to the ocean

Follows the cycle of water as it forms in clouds over the ocean, drops as rain on the mountains, and travels by stream and river back to the ocean.

Which one is different?

1975
A book of brightly colored picture puzzles, presented without text, designed to sharpen a child's powers of observation and concentration.

A moment in time

1973
A moment in time seems so short, but so much can happen in it. To show children that this is so, this book catches the fall of an apple in slow motion. The text and pictures act like a motion picture camera with a zoom lens running in slow motion. Each page creates a closeup view of how much can go on in a fleeting moment.

1,000 howlers for kids

1990
A collection of jokes for children such as: "Why did the inventor design a better lawn mower? He wanted to make mower money.".

Pages

Subscribe to RSS - Rothman, Joel