内容简介
Nowinpaperback-thenextmega-sellinginstalmentinthehilariousDiaryofaWimpyKidseries.Greg'smomhasavisionof"familytogetherness"thatreallydoesn'tsoundawholelotoffun.Butthere'sabrand-newadditiontotheHeffleyfamilytocontendwithanditlookslikeGregmightbeoutnumbered.Itcouldbearealdogofasummer