<p>Dive into the thrilling world of "The Missing Formula," the first installment of the classic Madge Sterling Series. Authored by Mildred A. Wirt (AKA Ann Wirt), this enduring mystery introduces readers to a resourceful girl detective ready to solve any puzzle. Perfect for young adults and anyone who enjoys juvenile fiction, this story captures the spirit of adventure and intrigue.<br><br>Follow Madge Sterling as she embarks on a captivating quest, navigating twists and turns that will keep you guessing until the very end. A timeless tale of courage and determination, "The Missing Formula" offers a delightful escape into a world where secrets lurk around every corner. Rediscover this beloved series and experience the charm that has captivated readers for generations. This carefully prepared print edition ensures the story's legacy continues.<br></p><p>This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.</p><p>This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.</p><p>Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.</p>