This will be the 21st time it's been celebrated, and in recognition of this special milestone, the chosen story will be read from space!
Give Me Some Space!, written and illustrated by Philip Bunting, is the book being featured and will be read by an astronaut from the International Space Station.
In Give Me Some Space!, a young girl dreams about space and learns all about it.
Will she be able to make her dreams come true? What will travelling into space be like?
Check your local public library for special screenings and events.
Last year's National Simultaneous Storytime had more than 1.2 million participants, so you will not be alone when you join the fun. You can take part from wherever in the world you are. Whether it's your library, home, school, or even outdoors.
Visit the National Simultaneous Storytime website for links to science-related videos including Moon Webcam, and astronaut skill tests you can try at home. Learn From Play have also provided a bunch of downloadable space-themed art and craft activities.
Don't miss out on this super special story time, all the way from space!
