The only drawback in this publishing model is, of course, distribution but if the materials (books and localized workbooks) are produced through a recognized textbook publisher, the problem of distribution is eliminated.
Accepting that the publisher's problems are hardly unique, Chisholm argues that it has performed much worse than its rivals.
For years, comic book publishers faced a problem of poor distribution.
But other publishers said a problem might be looming, and distributors are more blunt.
To combat the problem, publishers are -- again, in Hollywood fashion -- scrambling to develop secondary revenue streams.
But some publishers say the problem has ballooned in recent months as an expanding appetite for e-books has spawned a bumper crop of pirated editions on Web sites like Scribd and Wattpad, and on file-sharing services like RapidShare and MediaFire.
Google has recently set up a website called Anti-Malvertising.com which is entirely dedicated to educating Internet users, ad network operators and publishers about the problem.
But if Christianity is an obstacle, then the publisher has a problem.
And that highlights the problems publishers face in a turbulent, topsy-turvy marketplace where success seems ever harder to guarantee.
One Singapore-style maths publisher, Maths No Problem, has seen demand for its books increase six-fold since the last academic year, and has had to reprint the whole primary series twice this term.
