Best friends Mandy and Mimi think their first babysitting job will be a snap. But they didn't count on sitting for the bad news babies! Will M and M be able to keep the terrible twosome out of trouble and save their brand-new fish tank? Best friends Mandy and Mimi think their first babysitting job will be a snap. But they didn't count on sitting for the bad news babies! Will M and M be able to keep the terrible twosome out of trouble and save their brand-new fish tank? Pat Ross is a children's book author whose works include Hannah's Fancy Notions  and M & M and the Halloween Monster.