You would be the indirect object. This is because the subject, book, is giving hours of fun, making that the direct object. You is receiving the object, therefore it is the indirect object.
To determine the part of speech of the highlighted word "decree," I would need to see the sentence in which it appears. Generally, "decree" can function as a noun (referring to an official order) or as a verb (meaning to officially order something). If you provide the sentence, I can give a more specific answer.
An 18 candle speech is given at a debut party. If you are one to give a speech, tell the person why they are important to you and what makes them important.
August 28, 1968
Gave is a verb. It's the past tense of give.
A speech at a party to raise money for political campaign
The noun in your sentence is 'speech'. The word 'today' is sometimes a noun, but in this sentence it is an adverb modifying the verb 'to give'.
Example sentence - He attempted to give the speech but was sadly inarticulate.
the embrassing speech impressed me
He wrote the book. The book was written by him.
Give the book to him.
I am the valedictorian of the school, I will give the speech at graduation.
freedom of speech is a tenet of any democracy.
The speech was full of quotations from Abraham Lincoln's letter.
"Give me back the book I lent you!"
Her diction while giving the speech was flawless.
The politician verbally blasted his opponent in the debate speech.
An auxiliary verb.