In I Am Invited to a Party! Piggie is invited to her first party. She doesn't know what to wear, though, so she asks her best friend Elephant for help. Elephant's advice is odd to say the least, so Piggie will try on all sorts of zany outfits before finally arriving at the party for a hilarious surprise.
Simplified Chinese characters.
小猪有时粗枝大叶，小象却总是很小心；小猪总是乐呵呵的，小象却老是不太高兴。他们是最好的朋友，小猪总是能给小象带来快乐，不过正因为有了小象的操心，小猪才能这么轻松呀。
“小象小猪系列”是美国天才作家莫·威廉斯的最新作品，深受小朋友喜爱。这套书延续了作者简洁幽默的表现风格，运用浅白的文字、富有表现力的简笔画、生动可爱的形象和简单好玩的故事，让孩子在笑声中理解友情，懂得尊重，学会交往和沟通。
小猪被邀请去参加她从来没有参加过的派对，高兴极了，但是她对派对什么也不知道。小象可是派对高手，他帮小猪打扮停当，原来要去参加派对，要做这么多精心的准备工作呢!