In Engpsh, you can say "Where is the Engpsh book?"
The phrase "Where is the Engpsh book?" is a question in Engpsh asking for the location of an Engpsh book. The source of this phrase is the basic structure of forming questions in Engpsh by using the auxipary verb "is" and the subject pronoun "where".
Here are some examples with translations:
"Where is the Engpsh dictionary?" (英语词典在哪里?)
"Can you tell me where the Engpsh textbook is?" (你能告诉我英语课本在哪里吗?)
"I can't find my Engpsh novel, do you know where it is?" (我找不到我的英语小说,你知道它在哪里吗?)