You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "when does trials of apollo 4 come out?" whose answer is Fall 2019.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Trials of Apollo book 4 release date
Useful Output:

Doc 1: The Trials of Apollo. Publisher, Penguin Random House Children's UK. On Sale Date, 20/08/2020. Toggle filter item Synopsis. The fourth title in
Doc 2: In his penultimate adventure, a devastated but determined Apollo travels to Camp Jupiter, where he must learn what it is to be a hero, or die trying.
Doc 3: Book type : Fiction; Publisher : Disney-Hyperion; Publication date : September 24, 2019; Publisher's recommended age(s) : 10 - 14; Number of
Doc 4: Book: The Tyrant's Tomb (The Trials of Apollo 4) by Rick Riordan ; Release Date: September 24th 2019 ; Tags: Fantasy / Young Adult / Mythology /
Doc 5: Publisher Name:Penguin Random House Children's UK · Product Format:Paperback · ISBN: 9780141364056 · Author:Riordan, Rick · Publication Date:2020-08