Sapphire Sword

To save the world from certain destruction, three siblings and their shapeshifting alien guide embark on an out-of-this-world adventure in search of an ancient, all-powerful weapon.    
 
Slugger, Flint, and Scout are always out exploring the mountains of New Mexico near their home. When a cherry-picking expedition puts them in the path of a peculiar pooch in peril, the three siblings have no idea...