1. A book structure comprising: a plurality of bound pages comprising single sheets stacked one upon the other; at least one supplemental page bound to the back of the stack of single sheets, each said supplemental page comprising: (a) an appendix portion aligned with said stack of single sheets, (b) a memo portion extending from at least one unbound edge of said appendix portion, each said memo portion being extendable out of alignment with said stack of single sheets, and (c) scoring lines separating said appendix portion from each said memo portion, whereby each said memo portion may be folded over at a respective one of said scoring lines to be in alignment with said stack of single sheets.
1. A book structure comprising: a plurality of bound pages comprising single sheets stacked one upon the other; at least one supplemental page bound to the back of the stack of single sheets, each said supplemental page comprising: (a) an appendix portion aligned with said stack of single sheets, (b) a memo portion extending from at least one unbound edge of said appendix portion, each said memo portion being extendable out of alignment with said stack of single sheets, and (c) scoring lines separating said appendix portion from each said memo portion, whereby each said memo portion may be folded over at a respective one of said scoring lines to be in alignment with said stack of single sheets. 4. The book structure of claim 1 wherein said scoring lines comprise small perforations, whereby said memo portion may be separated from said appendix portion.