Beyond the Grave is the fourth book in The 39 Clues series first published on June 2, 2009 and written by Jude Watson.

[3] Amy and Dan head for Cairo, Egypt, with their au pair Nellie Gomez, to find a clue, hidden by Ekaterina founder, Katherine Cahill.

They head for Queen Nefertari's tomb in Luxor and get trapped by Irina, who picks up Grace's guidebook in the process.

After Jonah leaves them, and heads for Paris they are chased by a crocodile across the island, but are saved by a local fisherman.

After opening the puzzle, they discover their clue; myrrh It ends with the stronghold getting destroyed, and Amy and Dan finding a mysterious cloth with letter Ms in a pattern, indicating that it must have been the Madrigals.