Now in Paperback - This is the Next Mega-Selling Instalment in the Hilarious "Diary of a Wimpy Kid" Series. Greg's Mom Has a Vision of 'Family Togetherness' That Really Doesn't Sound a Whole Lot of Fun. but There's a Brand-New Addition to the Heffley Family to Contend With and It Looks Like Greg Might Be Outnumbered. It Could Be a Real Dog of a Summer...