"Between" Expression Help

So, I need help figuring out how to make a Between attribute and attribute help.
Example:
IF between Value.1 and Value.2 THEN
blablabla
END
Example:
IF between Value.1 and Value.2 THEN
blablabla
END
Comments
If X is > Value.1
AND
X is < Value.2
Then... (run behaviors)
Add a Rule : all rules apply
attribute > 10
attribute < 20
do stuff