Cousins Patrick and Beth work to protect runaway slave Sally as they travel by train with President-elect Abraham Lincoln through northern New York state in 1861 aboard The Lincoln Special, getting assistance from Mrs. Mary Todd Lincoln and her son Willie along the way.

"In Rescue on the River, the third book in a three-part story arc focusing on Civil War America, cousins Patrick and Beth attend Abraham Lincoln's inauguration and discover that their friend's brother Kitch is a slave in South Carolina. The cousins search for Kitch as they travel down the Combahee River with Harriet Tubman. They help with the secret mission of the Second South Carolina Volunteers, an African American unit. Will they be able to find...

While searching for Eugene, who is missing somewhere in time, time-traveling cousins Patrick and Beth arrive on an orphan train heading west in 1874 and befriend an orphan falsely accused of being part of a train robbery.

During a lightning storm, Patrick and Beth are transported to Babylon where they meet King Darius and Daniel and find themselves in mortal danger.

"Knowing that death is in store for the Baby Jesus if the soldier finds Him, Beth and Patrick carry out a plan to keep the baby safe"--

"Travel two centuries back in time to the final battle of the American Revolution at Yorktown, Virginia. Cousins Patrick and Beth sneak through trenches and race across battlefields to warn General George Washington about a dangerous spy. The spy is stealing his secret plans and giving them to the British. Cannons roar and the ground shakes as the struggle reaches a climax. Washingtons ragtag soldiers are up against the most powerful army in the world....

It's thrills, spills and chills when a lightning-speed, branch-breaking tobaggan ride lands Dylan, Jesse and Carter at the bottom of Avalanche Canyon. Will their cries for help cause a thunderous snow slide of catastrophic proportions?

Cousins Beth and Patrick need to leave Lithuania before the Nazis arrive. But their friend Leza and her family, who are Jewish, also need to leave. Will they all be able to escape in time?

"Patrick and Beth knew they'd be facing a danger more fierce than a polar bear or a walrus, but they never thought their opponent wouldn't be large enough to see. After arriving in Alaska in the winter of 1925, they discover that a very small enemy--a disease called diphtheria--is sweeping through the town of Nome. Can Patrick help retrieve enough medicine for the children by riding along with Clearsky and his team of sled dogs? Meanwhile, Beth makes...

Dylan and Jesse are on a safari until a glitch in the computer program causes it to end prematurely. But when Dylan goes aboard to retrieve a forgotten backpack, he's catalpulted into a series of bizarre events that would amaze even inventor John Avery Whittaker. Will Dylan survive his enemy's relentless pursuit?--from the cover.