《行走时代陈丹燕旅行文学》书系是国内第一套行走范围最广、时间跨度最长、旅行种类最多、旅行文体最新的旅行文学书系。《咖啡苦不苦》是该系列的第二本，介绍了作者游历过的世界各地有名的和无名的各色咖啡馆，作者以自己深厚的文化积淀，用细腻深透的笔触，向我们展现了一座座小店的渊源、一排排座椅的情调和一位位饮客的神貌，更配有一幅幅层次丰富的图片介绍和独具创意的细节装饰，使整本书弥漫着如咖啡般浓郁的文化醇香。在本书中，读者将品味到的不仅是陈丹燕的咖啡旅行，更多啜饮着的是异域的文化和风情。本书彩色印刷，内有作者陈丹燕拍摄的98幅照片。（Walking Era Chen Danyan's Touring Literature is the first set of touring literature with the widest range, longest duration, vastest categories and detest writing style. Coffee is Bitter or Not is the second book of this series and introduces the both famous and infamous cafés around the world. With the profound cultural accumulation and exquisite writing style, the author has presented the origin of every cafe, the sentiment of every line of seat and the facial appearance of every customer with various introductions to picture and creative decoration to the detail parts in rich layers to make the whole book filled with the cultural fragrance like the coffee. From this book, the readers would not only experience the coffee journey of Chen Danyan but also have deep understanding to the culture and customs of foreign lands. The book has been printed in color so that 98 photos taken by the author could be fully shown.）