It's President's Day and the Squeakerton mice have BIG plans to celebrate our nation's leaders...and their favorite mouse! When a human has a birthday, mice get to eat a BIG cake! When a mouse has a birthday, mice get to throw a BIG party! Ava and Dean can't wait to surprise Gregory on his birthday. They have the perfect gift for this president-loving mouse: a special Abraham Lincoln suit made just for him! But making sure a mouse arrives at his surprise party on time is not easy . . . especially when the president's kids and their classmates are at the White House for a special President's Day field trip! This chapter book series is sure to thrill readers who love tiny details and big fun. Bonus cool facts about presidents, the White House, and U.S. history are featured in the back of the book.