An action-packed archaeological thriller from the USA Today bestselling author of LOCH and the Australian Shadows Award winning author of HIDDEN CITY.

Some doors should never be opened.

When Rose Black's sister goes missing, she once again calls upon Jake Crowley for help, but the two get more than they bargained for. The search takes them on a twisting journey, where danger lies at every turn. From ancient pyramids to lost cities, deadly cultists and conspirators lie in wait as Jake and Rose navigate depths few have dared on a pulse-pounding search for the ANUBIS KEY!

Praise for Wood and Baxter!

"A genuine up all night got to see what happens next thriller that grabs you from the first page and doesn't let go until the last." Steven Savile, author of Silver

"Mixing history and lore with science and action, David Wood and Alan Baxter have penned a thriller that is hard to put down." —Jeremy Robinson, author of Island 731