Use one or more of these triangular sections with the 24"D, double-faced Texwood American Series shelving sold on page 202 to create fun library configurations! Unites offer 3/4"-thick multi-ply venneer cores with select tops. Solid-oak shelves are 3/4" and adjust in 1-1/4" increments (base shelves are fixed). Note: Choose heights, finishes and top colors that match your shelving.