Salina Yoon's beloved Penguin is always ready for new adventures with new friends! Penguin is searching the ocean for treasure when he meets Ollie, a shy octopus who is curious about Penguin's adventure. So curious that he can't stay camouflaged for long! But as the two meet other sea creatures during their search, Ollie is still too shy and hides again. Worried about his new friend, Penguin recruits the other animals to help look for Ollie, and they discover a treasure more precious than jewels. Perfect for young readers, award-winning author/illustrator Salina Yoon's signature bright illustrations and touching, humorous text brings to life this uplifting story that demonstrates how having true friends who appreciate and care for you is the best treasure of all! Don't miss these other books from Salina Yoon! The Penguin series Penguin and Penelope Penguin on Vacation Penguin in Love Penguin and Pumpkin Penguin's Big Adventure Penguin's Christmas Wish The Bear series Found Stormy Night Bear's Big Day The Duck, Duck, Porcupine series Duck, Duck, Porcupine My Kite is Stuck! And Other Stories That's My Book! And Other Stories Be a Friend.