Here's my attempt at re-drawing a page from a LBT story book original on top and re-draw below.
One thing I fixed was Cera's feet on her front legs , as he soles lacked the cream colour like her underbelly has, I also added a 4th toe onto her feet on her back legs.
I fixed Petrie's colour and the way hos wings were drawn as these old story books they got Petrie's colour wrong and his arms and wings are off model.
I also re-drew Littlefoot, Ducky and Spike to look more like they do in the films and also gave Littlefoot more of a rolling eyes look then the displeased one/
Plus as a personal touch I added "Cera's Hee" catchphrase.