Rescue on the river

by Hering, Marianne.
Published 2021

Terror in the tunnel

by Hering, Marianne.
Published 2021

Freedom at the Falls

by Hering, Marianne
Published 2020

Islands and enemies

by Hering, Marianne
Published 2022

Land of the lost

by Hering, Marianne
Published 2023

Sled run for survival

by Hering, Marianne
Published 2022

Big risks in Russia

by Hering, Marianne
Published 2024

Secret of the prince's tomb

by Hering, Marianne.
Published 2012

Battle for Cannibal Island

by Hering, Marianne.
Published 2012

Escape to the hiding place

by Hering, Marianne.
Published 2012

Revenge of the Red Knight

by Hering, Marianne.
Published 2011

Challenge on the hill of fire

by Hering, Marianne.
Published 2012

Problems in Plymouth

by Hering, Marianne.
Published 2011

Showdown with the shepherd

by Hering, Marianne.
Published 2011

Madman in Manhattan

by Hering, Marianne.
Published 2020

Inferno in Tokyo

by Hering, Marianne.
Published 2020

Voyage with the Vikings

by Hering, Marianne.
Published 2010

Surprise at Yorktown

by Hering, Marianne
Published 2014

Trouble on the orphan train

by Hering, Marianne
Published 2016

Captured on the high seas

by Hering, Marianne
Published 2014