Examines a number of different ways of writing secret messages, including using invisible ink and a variety of ciphers. Provides suggestions and aids for code-breaking.

Cipher and decipher codes: transposition and polyalphabetical ciphers, famous codes, typewriter and telephone codes, codes that use playing cards, knots, and swizzle sticks . . . even invisible writing and sending messages through space. 45 diagrams.

Loaded with fun-filled facts and ready to color, this giant treasury of 46 hidden picture scenes features big and busy double-page spreads of a swimming pool, comic book store, miniature golf course, birthday party, and more.

Teeming with anacondas, jaguars, toucans, and tarantulas, this activity/coloring book takes kids on an Amazon adventure with lots of learning along the way. Color the realistic illustrations of plants and animals before or after seeking out the hidden pictures. Fact-filled captions offer fascinating details about rainforest ecology. Includes solutions.

There are lots and lots of dots in this activity book for coloring and puzzle enthusiasts. More than 40 connect-the-dots challenges depict animals, ice skaters, a windmill, and more.

Fifty popular Yo-Yo tricks along with an illustrated history of the toy and its variations plus tips for keeping your Yo-Yo in top condition. Helpful diagrams accompany the easy instructions.

Detailed illustrations depict the formation of 28 images using only hands and fingers. Entertain friends and family with shadow pictures of a bird, bunny, elephant, and other figures.

Werewolves, vampires, ghosts, zombies, and other creatures of the night haunt this giant-sized collection of spinetingling activities. You can escape the clutches of vampires as you run through mazes, color scenes from the chilling Frankenstein story, shop for ghoulish goodies in a Monster Mall, and much more. Plus, there are even easy-to-follow recipes for fun and spooky foods.

The furrowed-browed feline appears on several cut-out crafts, including bookmarks, door-knob hangers, masks, gift boxes, signs, paper chains, snowflakes, finger puppets, stand-up figures, origami, a mobile, and other items.

Offers step-by-step instructions for drawing more than twenty varieties of flowers, including jack-in-the-pulpit, iris, and bird of paradise.