Ghosts in the White House

2016

Poison Dart Frogs

2011

The Netherlands (Blastoff Readers. Level 5)

2012

Ghosts in Cemeteries

2016

Ghosts at Sea

2016

Indonesia

2012

From Goat to Cheese

2015

Singapore

2014

Louisiana

The Pelican State

2013

From Pumpkin to Pie

2015

Ghosts in Battlefields

2016

Battleship Island

The Deserted Island

2017

Iceland (Blastoff! Readers

2012

Craco

The Medieval Ghost Town

2017

Atlantis

1771

From Spore to Mushroom

2017

From Sea to Salt

2015

From Bulb to Tulip

2015

From Strawberry to Jam

2015

Pripyat

The Chernobyl Ghost Town

2017

Ghosts in Hotels

2016

Georgia

The Peach State (Blastoff Readers. Level 5)

2013

Youtube

2016

Nepal

2014

Alabama

The Heart of Dixie

2013