Helping his friend Marco make delicious tortillas for a family member's birthday, George accidentally knocks over a bag of masa before learning about how the ingredient is made.

George, the Man in the Yellow Hat, and Marco head to the beach and dig for clams, swim with dolphins, and bury treasure, but when the water comes in and takes their treasure away, they learn all about tides.

When George finds a train at the toy store he would like, he decides to save his money until he can buy it.

Separated from the man in the yellow hat while at a Christmas tree farm, Curious George ends up at a hospital where he delights the child patients with his own brand of tree trimming.

When a big snowstorm endangers Bill's newspaper delivery business, his monkey friend George helps him distribute the papers using a toboggan and wind power.

When the man with the yellow hat tells George that he is planning a surprise, of course George is curious. Before long George finds a hat, noisemakers, decorations, and games. It must be a birthday! But whose birthday is it? That's the surprise!

Curious George heads to a bookstore where his favorite author is signing books, but while waiting in line, he decides to browse and organize some open boxes.

"Pinkalicious can't wait to see all of the animals at the zoo. She doesn't count on getting into some monkey business of her own!"--P [4] of cover.

When George the monkey finds a hutch full of bunnies and wonders what it would feel like to hold one, he creates a serious problem for himself.

Curious George the mischievous monkey and his friends celebrate Valentine's Day with decorating, baking, card making, and some unexpected hilarity.