... timer and similar keywords on Amazon.com a bunch of timers ... pop up (but not on Amazon.ca of course so...) I ... on it (cheaper ones on Amazon)....the straps are kinda cheap ...
This is the closest book I could find for the tests you're looking for: http://www.amazon.com/Real-LSATs-Grouped-Question-Type/dp/1937707784/ref=sr_1_1?s=books&ie=UTF8&qid=1440214174&sr=1-1&keywords=10+real+lsats+grouped+by+question+type
yup, i bought it on amazon (anywhere else is like $50) llike @c.janson35 posted. I think it is worth it because manhattan explains each problem very well.
Yes, you should definitely take the newest tests. All of them up to PT 74 are still available as pdfs at everylsat.com. You can also get hard copies, including PT 75, on Amazon.
Just keep reminding yourself to pay careful attention when reading the scenario and rules. Maybe write a reminder to pay attention on a note card or sheet of paper and post it above your desk.