Answer:
When writing a book on cake making, the text type that will likely be adopted is
the factual description text type.
Explanation:
There are two main text types in English, factual and literary. Factual text types include such types as factual description, recount, or persuasive. Literary text types include such types as poetry, narrative, or personal response. But for a book on cake making, the appropriate text type is the factual description. The menu and cooking instructions will be described in factual form, without the use of entertainment tools common with literary text types.
The first one is an "idiom" / or, "idiomatic expression" ; that is: [to have] "tricks up [one's sleeve's]" .
The second one is "hyperbole" (gross exaggeration).
The third one is "personification" — but also "hyperbole" (gross exaggeration).
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I don't know which novel you're asking about. What book is it?