The cover of Darren Farrell's new book, Lion in Bed, with illustrator Maya Tatsukawa, out from Penguin Random House and Dial Books for Young Readers in October 2025.

My newest book, about the power of a good cuddle.

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More Than 2 Million Copies Worldwide!

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The cover of author-illustrator Darren Farrell's Audible Original show, Letter Town Detective. The image features Detective D and Little D looking through magnifying glasses, trying to solve a great big mystery.

#1 Audible Kids & Family Show

Join Detective Dee & Little Dee as they keep Letter Town SAFE AND SOUND!

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Prepare to open a very special book–a book that you read, but don’t keep.

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  • "My mystery & letter loving son fell in love with Letter Town Detective. So much so that he wrote his own mysteries for the ENTIRE alphabet and gave them to our relatives!"

    – Illinois

  • “My four year old son loves your books! Reading them at bedtime is one of my favorite activities because his gigantic belly laughs are truly amazing to listen to.”

    – Kansas City

  • "We listened to 2.5 episodes of Letter Town Detective this morning 🙂 My son asked to listen while he got dressed and was eating breakfast and then he wanted to listen to one in the car too!"

    – North Carolina

  • "My grands LOVE Dandelion Magic!"

    – North Carolina

  • "Give This Book Away is a perfectly empowering book that evokes compassion, kindness, selflessness and love."

    – GoodReads

  • "My 2 year old has your Dandelion Magic book memorized. He runs around the house screaming, 'SUPER NANA' – lol."

    – Seattle

  • "I just want to say that my 2 year old loves Dandelion Magic so much! She even knows it by heart! Thank you for making such an amazing book!

    – Instagram

  • "I teach KG and my 3 year old daughter found Letter Town in my bag and became OBSESSED with reading it – every single day!!!"

    – Guam

  • "My 2 year old son learned to read the alphabet because of Letter Town. There are no other books that teach the letters like yours. Thank you!"

    – Email

  • "Do you ship to New Zealand? We found Thank You, Octopus at the library and know it off by heart but would love our own copy. Thanks and aroha for this awesome creation!"

    – Christchurch

  • "Hi, we are 7 and 3 and love your book Thank you, Octopus. We read it over and over!"

    – Email

  • "I love the Give This Book Away concept and can't wait to put it my little free library."

    – GoodReads