Some superheroes wear rocket-propelled boots, drive super-powered cars, and have X-ray vision. But other superheroes wear army boots, drive tanks, and go away for long trips to make the world a safer place. It's a tough job, but that's what superheroes ha
There is nothing sweeter than arriving at the playground, seeing it empty, and knowing you have it all to yourself--the silent comfort of playing alone.Maggie is overjoyed to have that solitude to make her Salad Pie. But then Herbert saunters over and wan
Sir Cumference, Lady Di of Ameter, and Radius are back in their second Math Adventure! This time, a potion has changed Sir Cumference into a fire-breathing dragon. Can Radius change him back? Join Radius on his quest through the castle to solve a riddle t
Amanda Bean loves to count everything, from the books in the library to the popcorn in her bowl. If only she could count faster! Her teacher tries to persuade her of the virtues of multiplication, but Amanda remains unconvinced--until she has an amazing d
King Arthur has issued a challenge. The first knight to find the sword Edgecalibur will be the next king. Join Sir Cumference, Lady Di of Ameter, and their son, Radius, as they race to help their friend, Vertex, find the sword and discover the secrets of
Join Sir Cumference, Lady Di of Ameter, and their son Radius for wordplay, puns, and problem solving in this geometry-packed math adventure. King Arthur was a good ruler, but now he needs a good ruler. What would you do if the neighboring kingdom were thr
When young Per visits her uncle Sir Cumference and his family, she learns how to play the game, "Inners and Edges." After she finds a clue linking the game to the mysterious castle on the island of Immeter, she must figure out how to find the perimeter an
Radius is on a quest to earn his knighthood! With only a circular medallion, a mysterious poem, and his own wits to guide him, he must find and rescue a missing king.