购买这本书 meaning in Chinese

buy this book

Anyone interested in magical creatures is encouraged to buy that book
建议所有对魔法生物感兴趣的人购买这本书。
Anyone interested in magical creatures is encouraged to buy that book
我们建议所有对魔法动物感兴趣的人购买这本书。
My sister purchased this book for me as a gift because she thought i would be the perfect mystery shopper
我姐姐购买这本书作为礼物送给我，她想使我的神秘顾客工作更完美。