El misterio del arco iris
The Rainbow Mystery
Physical Science/Rainbows
Colors on the loose? Rainbows suddenly appear and disappear on Annie’s wall! Find out how she and her sidekick Mike hunt down the clues and solve the mystery.
Price (USA): $5.95
“A tremendous amount of scientific data is provided in simple terms. Children reading this story won't even realize they are learning because of its interesting format. Highly recommended.”
—Science and Children, National Science Teachers Association
Release date: Spring 2009