Beaded Ornament Covers Instruction Book. The Strata Series is all about layers. Layers of dangles, layers of color, layers of ornaments. The book contains instructions for 4 different ornaments, plus many variations; The Double Decker, The Triple Decker, The Snowman, The Vivaldi, The Americana, Pineapple Lace and Whirl-a-gig. Suitable for all levels of beading experience. Directions include large colorful diagrams that make the instructions easy to follow. This is the fourth book in Ms. DeSousa's popular beaded ornament cover series.