No. 28 (8 period duplicates) Same specifications as regular plan book with the addition of canary sheets for making duplicate copies of the plans. A pocket in the back of the book contains two sheets of carbon paper. All Ward Lesson Plan Books are printed in green ink on quality white paper and bound in a durable, deep green cover with semi-concealed wire binding. Page size 8 1/2″ x 1″. All books contain a two year calendar, yearly schedule of school events, seating charts, and memorandum sheets.