by Michael Bond
with Beryl Cooke
'If you ask me, that's not just any old balloon, Grandpa,' said Mr Peck, 'I reckon it's something special. Look - there's a label tied on the side.' 'And a bag,' added Uncle Washington. 'Looks important to me,' agreed Uncle Ponty. 'I wonder what's in it?' And that's how Thursday, a waif-and-stray mouse, arrives