I already know you the answer I just wanna see if you know... XD!!! -me the person who asked the question...
Assuming you mean the one by Dave Pelzer, there are 250 pages.
What Was Lost has 240 pages.
The Lost Jedi has 528 pages.
The Lost Gate has 384 pages.
The Lost Dog has 345 pages.
The Lost Barkscrolls has 352 pages.
The Lost Stories has 580 pages.
Lost in the Garden has 208 pages.
Lost Laysen has 127 pages.
Lost Face has 240 pages.
Lost City has 420 pages.
Penguin Lost has 256 pages.