What if your mom were president? KayKay Granger and her sister, Annie, have just moved into the White House after their mom's inauguration, and soon find out that it's not exactly as fun as it sounds. But things get a lot more interesting when the sisters find out that the White House may be haunted. Could Abraham Lincoln's spirit really be lingering in the Lincoln bedroom? KayKay and Annie want to get to the bottom of this mystery-but are they ready for what they might uncover?