Geronimo is determined to prove that he's a good friend, even if it means climbing Mouse Everest! Professor Paws von Volt needs him, so Geronimo sets out on an epic rescue mission with the help of his crazy family.But what is that looming shadow following him? And why is Geronimo the only mouse able to see it?The series is perfect for 5 to 8 year old's both avid and reluctant readers due to its expressive typeset, fun illustrations and humorous stories.