Is the Hippopotamus Pool a legend? Or Amelia's nemesis!

A masked stranger offers to reveal an Egyptian queens' lost tomb - and Amelia Peabody and her irascible archaeologist husband Emerson are intrigued, to say the least. When the guide mysteriously disappears before he can tell them his secret, the Peabody-Emersons sail to Thebes to follow his trail, helped - and hampered - by their teenage son Rameses, and beautiful ward Nefret. Before the sands of time shift very far, all of them will be risking their lives foiling murderers, kidnappers, grave robbers, and ancient curses. off once again on a rollicking adventure involving archaeology, murderers, kidnappers, grave robbers and ancient curses.
And the hippopotamus Pool? It's a legend of war and wits that Amelia is translating, one that alerts her to a hippo of a different type - a nefarious, overweight art dealer who is on course to become her new arch-enemy!