basically, you would design a movieclip with all the pages in a row. Then the buttons on the top would tell the movieclip to slide left or right.
Look for a tutorial on using a custom tween class. You can either use the one built into Flash or custom one like Tweener and TweenLite.
this is how to write tween code for AS3:
var myTween:Tween = new Tween(ball, "x", Elastic.easeOut, 100, 300, 60);
the first parameter is the object to be tweened
the second parameter is the type of ease
the 3rd and 4th are the starting and ending positions
and the last is how many frames it should take
there are 5 different kinds of eases
None, Bounce, Elastic, Normal, Strong and they all have an easeIn, easeOut, and easeInOut to use.