In Los Angeles, Jennifer Narody is having a series of disturbing dreams involving eerie images of a lady in blue. She doesn't know that this same spirit appeared to leaders of the Jumano Native American tribe in New Mexico 362 years earlier, linked to a Spanish nun who had the power to be in two places simultaneously. Meanwhile, journalist Carlos Albert stumbles upon a nearly forgotten seventeenth-century convent in Spain founded by this same legendary...

"Near the end of the Cold War, a CIA code breaker discovers a symbol she recognizes from her childhood, which launches her across the world to the heart of Berlin just before the wall comes tumbling down"--

#1 WORLDWIDE BESTSELLER • An intelligent, lightning-paced thriller set within the hidden chambers, tunnels, and temples of Washington, D.C., with surprises at every turn.
“Impossible to put down.... Another mind-blowing Robert Langdon story.” —The New York Times

Famed Harvard symbologist Robert Langdon answers an unexpected summons to appear at the U.S. Capitol Building. His plans are interrupted...

When Stephanie Lewis finds secret writing in the margin of an old book in the library, The Math Kids have a new puzzle to solve. But first, they'll have to learn about codes and ciphers and how they can use their math skills to solve them. As one clue leads to another, the kids are drawn into the mysterious old house that overlooks the town. Is it really haunted like some of the townspeople say? And who is the man in the long beard who keeps showing...

Adam, a writer trying to revive his flagging career, and Achor, a member of an ancient secret society dedicated to the protection and support of the 'Three Antichrists' foretold in Nostradamus's verses, find themselves involved in a similar quest. Each is on a search for the missing Nostradamus quatrains and to discover what secrets they contain.

"As reports begin filtering into Bletchley Park about the stolen loot, Honey receives a mysterious package, hand-delivered from a man that she has never seen before who claims that he works at the Park as well. The package is postmarked from Russia, and inside is a small piece of amber. It is just the first of several such packages, and when she examines them together she realizes that someone, relying on her abilities to unravel codes, is trying...

"An enigmatic message leads the Code Busters on a treasure hunt on creepy Alcatraz Island, where they must use their problem-solving skills to unravel the mystery"--

When the Code Busters visit the Carmel Mission, a series of coded messages sets them on the hunt for long hidden pirate treasure.

"When the coding club finds that their app has a malicious user, Morgan, Zoey, and Daniel code an update to contend with a mischievous AI llama that's guiding a not-so-popular kid named Marcus to cause chaos in the school. Annoying little siblings, chaotic pranks, and more abound as they race to repair the glitchy app--and their own friendships--in their school before the damage is irreversible."--