What is the difference between“internetwork and the internet”?

Inter-network-It is the network that gets created joining of many networks together and form a individual large network .

Internet- it is the global network that contains that contains the collection of all the networks.

Explanation:

Internet is the network at a global level which has the access to connect the various computer network together and inter-network is the network having the combination of many network together to form a single unit of network  .Internet usually forms the connection using routers , servers etc and inter-network uses LAN's ,PAN's etc. to form the connection

Her interest would be the first to attract her to read the book then would come connection with the character which would keep her interest in the book.