Possible Clues:

• Girl's fur is wrongly recorded
• Hunger for attack incorrectly noted
• The skinny girl has got her letters wrong
• The girl got something wrong on her skin
• With young lady, hide having character faults?
• 21's storm of rage caused letters to be misplaced
• A character out, perhaps, to make girl hide
• 2 forms requiring an editor?
• Teacher's favourite learner kept in, having written words wrongly
• A young lady called Skin got the letters all wrong