Dylan Dreyer is a well-known face on the Today show and balances her busy TV career with looking after three young children.MORE: Savannah Guthrie surprises fans with her outfit choiceAnd last year, the TV personality combined both worlds after writing her debut children's book, Misty the Cloud, which was such a hit that she's now set to release a second book.On Tuesday, the star teased a "big announcement" on Instagram, revealing that Misty the Cloud's world was expanding.VIDEO: Dylan Dreyer shares adorable footage of baby Rusty's latest milestoneShe later shared the news on Today, revealing that she has a new book coming out, Misty the Cloud: Friends Through Rain or Shine.MORE: Dylan Dreyer celebrates exciting career move - 'What a treat'MORE: Hoda Kotb's very famous new co-star revealedSharing a first look at the cover of her new book, Dylan wrote: "I'm so excited to reveal the cover of Misty the Cloud: Friends Through Rain or Shine!! A story about sharing and compromise with the bonus of learning about rainbows!"I teamed up once again with the great @alankatzbooks and the incredible @scrimmle to bring this story to life. It's available for preorder now at the link in my bio.