2. Literature Illustration Book Cover.

Half cloth. Narrow boards, leaving wide limp back of book cloth. Back reinforced with super and boards lined with cover paper. Two or three boles are punched from side to side, and tied with heavy cord or fastened with rings. Fig. 39.

3. Portfolio.

Made of one long, narrow piece of cover paper or Manila board. The bottom third is folded up to form the body of the portfolio, and the top third is folded down for the hap or cover. Two strips of cloth are folded and pasted to the ends of the portfolio to hold the front and back together.

4. Nature Book.

One section sewed with five punctures, same as number 2, grade one, covered with heavy marbled boards, with buckram back, super put on, and first and last leaves used as pastedowns.

5. Poem Book Cover.

Made of two boards. Joint made in top board as in Spelling Book. Boards are covered with crash and lined inside with cover paper. Tied with heavy cord through four punctures.