Origin: (Robert Langdon Book 5)

The Locked Room: The Dr Ruth Galloway Mysteries 14

The Secret of Secrets: (Robert Langdon Book 6)

The Chalk Pit: The Dr Ruth Galloway Mysteries 9

Inferno: (Robert Langdon Book 4)

The Stone Circle: The Dr Ruth Galloway Mysteries 11

The Ghost Fields: The Dr Ruth Galloway Mysteries 7

Clear and Present Danger

The House at Sea's End: The Dr Ruth Galloway Mysteries 3

The Outcast Dead: The Dr Ruth Galloway Mysteries 6

Cyclops

The Janus Stone: The Dr Ruth Galloway Mysteries 2

Shock Wave

The Dark Angel: The Dr Ruth Galloway Mysteries 10

Now You See Them: The Brighton Mysteries 5