Simplify the following text for a Grade 9 native English-speaking person.
Original: Mr. William Shakespeares Comedies , Histories , & Tragedies . is the 1623 published collection of William Shakespeare 's plays .
Simplified: The First Folio is the name given to a 1623 book that has all the plays written by William Shakespeare called Mr. William Shakespeares Comedies , Histories , & Tragedies .