A biography of Leonardo Fibonacci, the 12th century mathematician who discovered the numerical sequence named for him.
Blockhead: The Life of Fibonacci
Mathematics
365 Penguins
On the first day of the new year, the mailman brings a surprise—a penguin! One by one, day by day, penguins fill the house. At first they are cute, but with every passing day, the penguins pile up—along with the family’s problems. Feeding, cleaning, and housing the penguins becomes a monumental task.
Patterns in Peru: An Adventure in Patterning
Matt and Bibi unravel a pattern to discover a lost city. The Zills are visiting Peru to study the mysterious lost city of Quwi when Matt and Bibi stumble into an adventure. With only each other, their faithful dog Riley, and an unusual ancient relic to guide them, the twins must use their understanding of patterns and sequences to locate the lost city—and the way back.