Max Hamby and the Amethyst Guardian

"The Max Hamby series is perfect for readers of Harry Potter, Fablehaven, Unwanteds, Septimus Heap and Charlie Bone. A mix of magic, adventure, humor, friendship and family that draws you in."__________________________________________________She tilted her head and touched the shifters on the knee. "Little shifters refuse to fight. They are no more. Out of sight. So greedy and oh so bad. Now they're gone and no one is sad."Isolde has Milo's stone and she's using it to spread chaos and destruction.
She's opened the crack in the earth and unleashed nightmarish creatures from the underworld. They prowl the Downs in search of their next meal. No one is safe. Time and options are running out. Max goes on the hunt for the Amethyst Guardian and Merrihaven is more vulnerable than its ever been before. Isolde sees the perfect opportunity to attack and sends in her army to capture everyone. To save them, Max must sacrifice himself or risk losing them forever.
There's no turning back now.... Or is there?__________________________________________________Max Hamby and the Amethyst Guardian is the sixth book in Kathy Cyr's Max Hamby series; a middle grade fantasy series.