Oh yes forgot to say, if you think Mersey Travel and Saveaways are confusing, have a look at the above site I linked, on the Rangers and Rovers section .
Yes, Granny, truly complex. On a similar theme, consider ticketing. Nowadays, you go to the booking office, ask for the ticket you want, the clerk presses a couple of buttons and your ticket appears. In the days of (proper) Edmondson cardboard tickets, think of the number of tickets the booking clerk had to select from. Just on the Mersey railway, from each station to every other, he would need: 1st. and 3rd. class, adult and child, single, return and day return (that's 12 so far), without counting specials like workman's return, dog, bicycle and goodness knows what others. At a main line station, even more, and if the ticket didn't exist, he had to take a blank and write it out. He then had to stamp the date on it without crushing his fingers in the Waterlow dating machine... happy days.
Oh, I actually have an Edmonson ticket for a dog, from Bromborough to New Brighton, accompanied, value not more that £2.