Last I checked, you could get a spindle of blank DVD's and it works out to less than 20 cents each, by a cover for maybe 50 cents and your done.
All they had to buy is a computer to animate this stuff.
Yeah.. They aren't getting the same profits from book sales that they used too so they are trying for a new market to squeeze the bucks out of the rank and file. I am sure all parents at least will feel presured to buy this for the kiddies...sick...
One possible theory is that the Society began the project hoping for a longer series of films, but the financial woes caught up with them mid-production causing them to bale and just release what they had.
Yeah... We can always hope