Book of Life
The Book of Life is a book in The Sims 4 which Sims can write, and use to resurrect other Sims. The book can be used multiple times with multiple books[clarification needed], there is no limit to how many Books of Life can be written or how many Sims can be saved.
Sims with the Book of Life can resurrect any Sim from their relationship panel
How to resurrect a Sim with the book
Sims first need to max their Writing Skill and complete "Bestselling Author" Aspiration.
Then Sims can write "The Book of Life" on the computer. When completed, Sims can use the book to "Capture Epic Saga" of a Sim who has not died. After a Sim dies, the owner of the book can use it to "Summon" the Sim who died.