Travel, as its name implies, only records the contents of travel: generally covering strategy, route, preparation, eating, drinking and having fun on the way;

Manual: It is not specified clearly, and the contents should be filled in according to personal preference, such as recording fitness, diet, study, work, diary, Zhou Yue plan, etc. Of course, you can also write about travel.

In short: Handbook is the full name, and the travel handbook is one of its related subordinates.