She'd been working for more than a year on her second book.
Some friends said he was working on a book about his life.
She died in 1961 while working on a second book.
Working on her first book and future art shows in Europe.
It's late and you need to work on your book.
It would give him time to work on his book.
She is also working on a book that should soon be up and running.
He is working on a book about the future of the Democrats.
I'd been away from the city for a month, working on a book.
She is working on a book about the second half of Richard's life.