Good Day, Good Night will feel familiar to Brown’s fans.

By Elizabeth Sile
Updated October 03, 2017
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Good Day, Good Night, by Margaret Wise Brown

Fans of Margaret Wise Brown’s classic children’s books, Goodnight Moon and The Runaway Bunny rejoice! Today, HarperCollins published a previously unpublished book from Brown, Good Day, Good Night ($15;, illustrated by Loren Long.

In Brown’s new book, a bunny wakes up and greats the birds, trees, and kittens in his neighborhood, then says goodnight to them all as the moon comes up. Good Day, Good Night will feel familiar to kids and parents in rhythm and theme, but it’s not a sequel to Goodnight Moon. Long’s new illustrations are rich in color and detail, too.

Brown wrote the text in 1950 and passed away suddenly, two years later, at 42, leaving behind a large collection of unpublished manuscripts. Earlier this year, HarperCollins published another never-before-seen story, North, South, East, West ($9;, with illustrations by Greg Pizzoli. Last year it republished her books, The Dead Bird, Christmas in the Barn, The Noisy Book, and The Quiet Book, with updated illustrations.

This year marks the 75th anniversary of the publication of Brown’s The Runaway Bunny, which has sold more than 7 million copies. All told, Brown’s books have sold 40 million books worldwide, making her one of the bestselling children’s book authors of all time.

Brown isn’t the only beloved author with a never-before-published book this year. Last month, HarperCollins released Runny Babbit Returns ($14;, a collection of 41 new poems and drawings from Shel Silverstein, and Doubleday published The Purloining of Prince Oleomargarine ($17;, a children’s book from Mark Twain that was discovered by Winthrop University English Professor John Bird while researching a Twain cookbook.