All are printed by either Street & Smith, Arthur Westbrook, or Garden City Publishing Co. . Each is 4 7/8x6 7/8" with thin paper covers and page count ranging from 198 to 323. Front covers have full color paintings relating to story and inside pages are printed on pulp paper. Copyright ranges from 1902 to 1915. Dick Merriwell numbers and titles include: #89-92 "Defense", #104 "Test", #141 "Influence", #144 "Joe", #167 "In The Wilds", #175 "Race", #187 "Motor King", and #198 "Perception". Frank Merriwell title is #232 "Diamond Foes". Frank Merriwell, Jr. titles are #216 "Helping Hand", and #220 "Timely Aid". Other numbers and titles include: # 1 "Three Fingered Jack", #2 "Pirates Of The Prairies", # 5 "Trail Of Gold", #6 "The Black Hills Riders", #8 "Rube Burrow The King Of Train Robbers", #132 "Buffalo Bill's Pacific Power", #143 "Lyon Hart’s Heroism". Also includes Frank Allen Series #13 "At Zero Camp". Some cover dust soil with wear around edges and a few lt. creases here and there. Bit of spine paper is missing on several titles. Inside pages are tanned with a few pieces missing. Overall Good/VG. Nice cover graphics.