there's no official sequel. But That Was Then, This Is Now, is often said to be because it contains references to characters in The Outsiders (including Ponyboy Curtis, Curly and Tim Shepard and a couple more), and is written by the same author.
I think more sequels.
Yes no sequels
Strictly counting sequels & not the remakes/reboots, the Puppet Master franchise has the most sequels with 12 movies.
Currently  there aren't any movie franchises that have just 13 sequels.
There are seven books in the series which means six of them are sequels.
there are 4 sequels left yet to film
They have three sequels. How ever they have other exorcist movies.
First Among Sequels has 416 pages.
Twighlight has 3 sequels. They are New Moon, Beaking Dawn, and Eclipse.
starwars had at least five sequels and Indiana Jones had at least two.
There are 13 sequels to The Wonderful Wizard of Oz.
Currently there are 2 sequels to Star Wars and 3 prequels, but quite a few more sequels are being released in the next few years.
Harrison Ford. He starred in the Star Wars and Indiana Jones sequels.
Disney and Square Enix created Kingdom Hearts and its sequels.
Halloween has the most with 10 sequels.
The ISBN of First Among Sequels is 978-0-340-835753.
The first Amityville film, titled 'The Amityville Horror' has spawned a wide variety of sequels. From 1982 to 2013, there have been a grand total of 9 sequels.
There were only 2 sequels, 3 total Back To The Future movies
Huang Fei-hong zhuan: Bian feng mie zhu (1949). It has a total of 88 sequels.
Halloween (and sequels), Harry Potter and the Philosopher's Stone (and sequels), Holes, Hoot, Huck & the King of Hearts.
In The Outsiders, the greasers would be considered the outsiders. They were not popular or thought of as regular members of society.