An error occured, exiting. errno: 'ETIMEDOUT',

[leptoid]

I receive this now at random intervals when downloading my books. Thoughts on how to make it complete?

An error occured, exiting.
{ Error: connect ETIMEDOUT 205.185.208.62:443
    at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1174:14)
  errno: 'ETIMEDOUT',
  code: 'ETIMEDOUT',
  syscall: 'connect',
  address: '205.185.208.62',
  port: 443 }