Four-volume set of Frank Peretti's "Indiana Jones-style" adventure stories including:

#1 - The Door in the Dragon's Throat

#2 - Escape from the Island of Aquarius

#3 - The Tombs of Anak

#4 - Trapped at the Bottom of the Sea

~ The books have firm binding and clean pages. There are no markings. They come in a sleeve that holds all four.