Just a while ago it seemed like gaming notebooks were only being manufactured by a handful of specialist resellers and were built to spec , not mass produced . The sales were by no means really great but they did produce more mark up 's on each unit than others . I ' m pretty sure everybody would have liked to have had one however could not seriously justify it .

Based on the preceding passage, choose your answer for question Why were game books hard to come by in years past ?
Choose from: A). Manufacturers could n't justify printing or selling any .. B). They sold too quickly .. C). They were made by specialists .. D). None of the above choices ..
The answer is:
C).