The Door In The Dragon's Throat by Frank Peretti

A Cooper Kids Adventure Series #1

In a remote desert, a mysterious and ancient artifact known as the Door in the Dragon's Throat has long been shrouded in legend and danger. When an American archaeologist and his two children are drawn into the enigma, they find themselves entangled in a perilous adventure filled with supernatural forces and dark secrets. As they delve deeper into the mysteries surrounding the door, they must confront their fears and unravel the truth behind the ominous warnings that have kept explorers at bay for centuries. Their journey becomes a test of faith, courage, and the power of belief in the face of the unknown.