The standing stones of Salisbury plain, once a Neolithic gathering place of star watching and blood sacrifice, is eerie enough by moonlight. But something roams the jagged countryside, hiding from the sunlit world.
The Doom Stone by Paul Zindel
It is a great thing to have a truly cool aunt. Think real-world Indiana Jones, and you have Jackson's Aunt Sarah. On any given summer break, she might be found in any part of the world, excavating fossils of long ago hominids. Last spring break it had been Ethiopia. They'd slept in hammocks in the jungle to keep out of reach of the giant rats that prowled below.