Something strange is going on...all the animals in town have disappeared But with Grandma's latest invention Nelson and Kenny can sniff out trouble by turning into dogs
9781742993263 1 From Nerd to Ninja
9781742999579 2 Flying Ninja
9781760662820 3 Ninja Switch
9781760662837 4 Amazing Ninja
9781743835128 5 Ninja Clones
9781743835135 6 Ninja Giants
9781760974664 7 Ninja Toys
9781760979126 8 Ninja Dogs
9781761120480 9 Ninja Fish
9781761120497 10 Ninja Heroes
9781761202445 11 Ninja Artists
9781761202452 12 Hypno Ninja