The basic eBook publication fee or handling cost is as per the prices mentioned above on the other hand it may vary based on the extensive editing, colored effects, complex equations, extra elongation of no. of pages of the eBook, etc.
Note: If the author(s)/ Editor requests a withdrawal of eBook, after the peer review process or in the production stage (Early Release or Ahead of publishing) or published online; then authors/ Editor need to make a withdrawal penalty.