"Miss Z, a mysterious billionaire and a collector of rare photographs, is sending her four recruits back in time on a mission to capture, for the first time, one of the most important moments in American history--Abraham Lincoln giving his famous Gettysburg address"--

"In 2146, seventeen-year-old Bridger, one of a small group of people born with the ability to travel to the past, investigates why his by-the-book father traveled to 2013 to break the most important rule of time travel--to prevent someone's murder." --

Cousins Patrick and Beth work with Allan Pinkerton and Kate Warne, the first female detective, to protect Abraham Lincoln from an assassination plot as he travels by train to Washington, D.C., for his inauguration.

"When thirteen-year-old Margaret's father is sentenced to death for a crime he didn't commit, she knows the only way to save him is to use the forbidden family power of time travel"--

A scroll Great-Uncle Solomon, an archaeologist, found near the Dead Sea sends Peter, nine, and Mary, ten, to the first moment of Creation and to the Garden of Eden.

"When Lewis Barnavelt, an orphan. comes to stay with his uncle Jonathan, he expects to meet an ordinary person. But he is wrong. Uncle Jonathan and his next-door neighbor, Mrs. Zimmermann, are both witches! Lewis is thrilled. At first, watching magic is enough. Then Lewis experiments with magic himself and unknowingly resurrects the former owner of the house: a woman named Serenna Izard. It seems that Serenna and her husband built a timepiece into...

In The Secret Explorers and the Jurassic rescue, dinosaur expert Tamiko and geology expert Cheng travel back to the age of the dinosaurs in an effort to rescue a dinosaur egg from destruction. However, to save the egg, the Secret Explorers first have to use all their courage and skills to outsmart a fierce Allosaurus, rescue a baby Stegosaurus, and find a way to attract an Archaeopteryx. Tamiko and Cheng soon find that, to succeed, they need to come...

A prequel to the Pendragon series, looking at what life was like for Bobby Pendragon's fellow Travelers before they became the guardians of Halla.

"Detective brothers Frank and Joe work to debunk a time travel machine before it's too late" --