Book 1

Undiscovered

by Anna Hackett

Published 16 July 2016

Book 2

Uncharted

by Anna Hackett

Published 16 July 2016

Book 2

Verlorener Tempel

by Anna Hackett

Published 25 February 2024

Book 5

Untraveled

by Anna Hackett

Published 18 August 2017

Book 6

Verlorene Pyramide

by Anna Hackett

Published 24 September 2024

Book 7

Unidentified

by Anna Hackett

Published 14 June 2018