"Buttercream One-Tier Wonders" by Christina Ong and Valerie Valeriano is a paperback book published by David & Charles in 2016. The English-language book is focused on decorating, specifically featuring 30 simple and sensational buttercream cakes. With 144 pages, the book provides inspiration and ideas for creating beautiful and delicious desserts. The authors offer step-by-step instructions and tips for creating stunning one-tier cakes, making it a valuable resource for both aspiring and experienced cake decorators.