John A. Heldt

Months after stealing two time machines from a madman who wants them back, the Lanes, a family of seven, seek peace and safety in 1927, the latest stop on a journey through time. For a while, each succeeds....

Months after stealing two time machines from a madman who wants them back, the Lanes, a family of six, seek safety and contentment in 1893, the latest stop on a journey through time....

Phoenix, Spring 1983. For the Carsons, five siblings from the present day, it has come down to this. Find the parents they have chased through time for more than two years, or go home and resume their lives without them....

From the author of the critically acclaimed Northwest Passage, American Journey, and Carson Chronicles series comes the first book in the Time Box saga. Virginia physicist Mark Lane has a problem....

Love, courage, and commitment take center stage as the Carsons, a family of time travelers, continue their saga in the great American West. For the Carson children, ages 19 to 29, an unplanned stop in 1962 is a chance to grow....

Arizona, December 1943. After surviving perilous six-month journeys to 1889 and 1918, the Carsons, five siblings from the present day, seek a respite in their home state....

After struggling for years to have a child, Claire Rasmussen, 34, turns to adoption, only to find new obstacles on the path to motherhood. Then, she gets an unlikely phone call and soon learns that a distant uncle possesses the secrets of time travel....

On June 2, 2017, Mary Beth McIntire anticipates a quiet morning. Then she hears a noise, peers out a window, and spots a man in 1950s attire standing in the backyard....

When doctoral student Cameron Coelho, 28, opens a package from Indiana, he finds more than private papers that will help him with his dissertation....

Weeks after her husband dies in the midst of an affair, Chicago writer Susan Peterson, 48, seeks solace on a California vacation with her mother Elizabeth and daughter Amanda....

Seattle, 2010. When her entrepreneur husband dies in an accident, Michelle Preston Richardson, 48, finds herself childless and directionless....

Weeks after his parents disappear on a hike, engineer Adam Carson, 27, searches for answers. Then he discovers a secret website and learns his mom and dad are time travelers stuck in the past....

In The Memory Tree, the sweeping sequel to River Rising, several time travelers find answers and meaning as they continue the adventure of a lifetime in the age of doughboys, silent movies, and Model Ts....

Seattle, 1941. Grace Vandenberg, 21, is having a bad day. Minutes after Pearl Harbor is attacked, she learns that her boyfriend is a time traveler from 2000 who has abandoned her....

On September 11, 2020, Ginny and Katie Smith enter a house of mirrors and exit in May 1964....

Filled with humor, history, romance, and heartbreak, September Sky follows two directionless souls on the adventure of a lifetime as they try to make peace with the past, find new purpose, and grapple with the knowledge of things to come....

When Kevin Johnson, 22, goes to Wallace, Idaho, days after his college graduation, he expects to find rest and relaxation....

In May 2000, Joel Smith is a cocky, adventurous young man who sees the world as his playground....

Six years after emerging from a fountain of youth, siblings Bill, Paul, and Annie Carpenter, time travelers from 2022, make their way in 1911.

In The Fountain, the first book in the Second Chance trilogy, three siblings find opportunity, romance, and heartbreak as they make the most of a new lease on life.