Nate the Great and the missing birthday snake

Rosamond is having a birthday party for her cousin Lizzy! Nate the Great and his dog, Sludge, are invited. So are Lizzy s four pet snakes. Nate believes that a good detective knows his limits. Nate does not want to go to a birthday party filled with dangerous, slimy guests. But when one of these guests goes missing, Nate and Sludge must face their fears to save the day!