"The Red Pyramid" - Rick Riordan

Percy Jackson was so good I had to try out his second series, The Kane Chronicles. (It didn't hurt that I was already watching Stargate SG-1 and was on an Egyptian mythology kick.) Just as good as Percy Jackson and I learned a great deal about the Egyptian pantheon of gods.

Carter and Sadie are siblings separated after the death of their mother. Their father has never been the same since then, so when he opens up a portal to the Egyptian underworld and calls for the gods, the kids think he needs saving. Turns out the whole world needs saving now. Travel around the world and meet many of the Egyptian gods of mythology as Sadie and Carter learn that they are stronger as a family than any giant, jackal-headed, imbued-with-powers dude.

Read Also:

Stewart Ross' Curse of the Crocodile God graphic novel.

Brandon Sanderson's "Alcatraz" series. Same humorous style of writing.

Mummies in the Morning from the "Magic Treehouse" series by Mary Pope Osborne.