antiquities

In Glacier National Park, middle school geniuses Sam, Martina, and Theo follow clues related to Thomas Jefferson as they tackle a new round of puzzles, riddles, and traps to find the next key left behind by the Founding Fathers, but Gideon Arnold, descendant of the infamous Benedict Arnold, is hot on their trail.

Seeking the third key, middle school geniuses Sam, Martina, and Theo must navigate New York City following clues related to Alexander Hamilton, solving--and surviving--puzzles and traps along the way.

Archaeologists have opened whole new worlds to people, such as ancient Egypt and prehistoric America. However, an archaeological dig requires a lot of meticulous preparation, research, and labor. Readers are given a glimpse into the hard work that archaeologists do as well as the excitement of the discoveries.

"Examines 12 of the most engaging ancient mysteries. Each spread provides information about a mystery and its ancient and recent discoveries paired with interesting sidebars and questions to consider"--Provided by publisher.

"Delilah [Dirk] has set out with her companion Selim for more agreeable adventures in central Asia. But when she stumbles on an artifact that may be a clue about the location of the legendary third pillar of Hercules"--Amazon.

Engaging and enlightening, this book presents new evidence of transoceanic visitors to America, hundreds, even thousands, of years before the time of European exploration.

After twelve-year-old Addison Cooke's uncle unearths ancient Incan secrets in Peru, he is kidnapped by a shadowy organization intent on stealing the treasure unless Addison and his friends can decipher the clues first.

"When his aunt and uncle become pawns in a Chinese gang's plan to steal the Khan's most prized possession, junior archaeologist Addison and his friends are caught in the middle of a war between the gang and a band of Russian adversaries."--Provided by publisher.

"Finding herself trapped again in a plot that has been centuries in the making, Quin is forced to face the past and its enemies and save herself and everyone she loves?"--OCLC.

"Why were the Easter Island heads erected? What really happened to the Maya? Who stole the Irish Crown Jewels? ... cover[s] history's heavy-hitting, head-scratching mysteries, including the LostColony of Roanoke, the Bermuda Triangle, the Oak Island Money Pit, Stonehenge, the Sphinx, the disappearance of entire civilizations, the dancing plague, the Voynich manuscript, and so many more..."--Provided by publisher.