📣Hey, young bookworms! Don't forget about our amazing Hattie Harmony Opening Night presenting at Barnes & Noble - Union Square on June 10th!😻 🎉📚Time to dive into captivating stories, meet fellow readers, & create lifelong memories. Let's celebrate the joy of reading together!

🚨HATTIE ARMY🚨 Only 3 days till Opening Night! Have you preordered? Are you haning with us in NYC?! 😻🌈😻 #penguinkids #worryworrygoaway #robbiearnett #elizabetholsen #hattieharmonyworrydetective #hattieharmonybooks

Grateful for the opportunity to meet and connect with everyone today! 🤝. Thank you for your time and valuable insights. Looking forward for next Hattie adventures! ☀️😻😻 #worryworrygoaway #hattieharmony #hattieharmonyworrydetective #robbiearnett #elizabetholsen #penguinkids

It was a delight seeing the bright face of youngsters today and introducing Hattie Harmony Opening Night once again!📚😻✨ We are more than grateful for the people who came and saw the guest😉 We loved hearing your laughter and questions!✨ #hattieharmonyopeningnight #penguinkids

🚨TOMORROW IS THE DAY🚨 Getting the Seoul Ready! Are you ready to celebrate OPENING NIGHT with us! LAST day to preorder 😻✏️🌈 #penguinkids #worryworrygoaway #robbiearnett #elizabetholsen #hattieharmonyworrydetective #hattieharmonybooks

🚨LESS THAN 24 HOURS🚨 Are you ready for opening night?" #penguinkids #worryworrygoaway #robbiearnett #elizabetholsen #hattieharmonyworrydetective #hattieharmonybooks #gucci #guccicruise #guccicruise23

😻TODAY IS THE DAY😻 🌈OPENING NIGHT🌈 Available wherever books are sold! Take a photo with your copy and we'll do our best to repost! Thank you for the love and support! BRAVO! #hattieharmonyworrydetective #worrygoaway #openingnight #robbiearnett #elizabetholsen #marissavaldez

Big thanks to everyone who joined us for the live stream today! 🙌😻 Your presence and support made it an absolute blast. ❤️🙏 REMEMBER THAT HATTIE HARMONY OPENING NIGHT IS OUT NOW‼️ #penguinkids #worryworrygoaway #robbiearnett #elizabetholsen #hattieharmonybooks

😻OPENING NIGHT😻 Available Everywhere! Get your copy today! #penguinkids #worryworrygoaway #robbiearnett #elizabetholsen #hattieharmonyworrydetective #hattieharmonybooks #mentalhealthawareness #kidsmentalhealth

Have you picked up your copy of OPENING NIGHT yet?😻😻 Available everywhere. 🌈🌍🌈 #penguinkids #worryworrygoaway #robbiearnett #elizabetholsen #hattieharmonyworrydetective #cbsmorningshow #cbs Penguin Kids CBS Mornings

📚 Hey bookworms! 🌈 If any of you have had the chance to read our Hattie Harmony Opening Night😻😻, we would be so grateful for your opinions and thoughts. 📖✨ Did it bring a smile to your little one's face? ❤️

🚨ALERTING ALL HATTIES🚨 We went around Manhattan signing books at some of our favorite local book stores! Limited copies available so go to the Strand Book Store and McNally Jackson and get yours now! Tell them "Hattie sent you!"😻🌈😻 Penguin Kids #hattieharmony #openingnight

😻DENVER HATTIE'S😻 We visited the most charming local bookshop Second Start To The right books and signed some copies of both books. Hattie even signed one! Grab 'em. Support local! 😻🌈😻 #hattieharmony #worryworrygoaway #openingnight #robbiearnett #elizabetholsen

📚✨ Unlocking the power of imagination, one page at a time!🌟 Encouraging kids to read books is an investment in their future. 🌈✨Nurture love for reading, and opening doors to endless possibilities. 📖🌍 Hattie Harmony Opening Night is waiting in bookstores on shelves! 😻😻❤️

Hello little bookworms!!📚✨Have you been enjoying our friendly neighbourhood cat, Hattie Harmony?😻📚🌈 If so, share with friends and family!✨👯 Friendship is a good thing to have.😻 Like what Penguin Kids and I have.✨🌈

📚🌟 Hey little bookworms! 🌈✨ Did you know that reading is like a superpower? It takes you on incredible adventures, introduces you to amazing characters, and helps you learn about the world around you! 🌍✨ Remember, about our Hattie, this kitty is waiting for you 😻 🌟💡

Celebrate #NationalKittenDay with our favorite Worry Detective Hattie Harmony! 📚 HATTIE HARMONY: OPENING NIGHT by Elizabeth Olsen and Robbie Arnett, illustrated by Marissa Valdez: bit.ly/HattieOpeningN…

📚🌟 Hey little bookworms! 🌈✨ Don't worry people!! It's me Hattie😻 I'm just a wandanat stan😻☀️

📚🌟Hello, little bookworms! We appreciate your support by helping us get to 2 thousand friends!😻✨ In honour of that, we'll be launching a Q&A.✨🌈 Ask me anything friendly!😻😻 ngl.link/hattieharmonyb…

😻✨Hi guys! Haven't seen each other in a while! 🤗 Since Lizzie's been under the weather 👀, I'm glad to announce that I will be attending as Lizzie's substitute at the For the Love of Sci-Fi event!! ❤️🥳🙌.