"When a ghostly foe begins stealing from the highest buildings in Twinford, Ruby Redfort is ready to defy death one more time to capture the bandit"--OCLC.
When Leo's flighty sister Paris leaves her at the Heartbreak Hotel Diner in Las Vegas with a cryptic note, Leo sets out in search of Paris with the help of a physics student named Max.
Seventeen-year-old Ian Kabra, who is the head of the powerful Cahill family, is challenged by a Cahill from the past who calls himself the Outcast to stop him from recreating four of history's greatest disasters and hopes he can find Amy and Dan so they can help him decipher the hints in time to save innocent lives.
While on vacation with their parents in Cornwall, twins Danny and Josh follow clues to another marble but find themselves trapped by the tide on a rocky island and the only way back is to use some pilfered REPTOSWITCH.
During World War II, eleven-year-old Felicity is sent from London to Bottlebay, Maine, to live with her grandmother, aunt, uncle, and a reclusive boy who helps her decode mysterious letters that contain the truth about her missing parents.
This revealing book traces codes throughout history, from an encryption device used by the Spartans in 400 B.C. to the Enigma Code of the 1940s, pausing to consider coded military secrets and newspaper scoops alike. Students will be delighted by code-cracking diagrams.
"When the Code Busters visit the Carmel Mission, a series of coded messages sets them on the hunt for long hidden pirate treasure"--Provided by publisher.
