I got this book for math help, didnt work, I basically just guessed my way through. The science section was deceptive, on the actual test that portion was unbelievable difficult, even the other students who have been in school more recently then I agreed that this portion was grueling. Before buying you should take it for granted that the test will be twice as difficult without even couting test jitters. i chose Princeton Review because it helped me pass my GED, and it was a fun easy read. Its still a fun read the writers are very personable, but i wouldnt recomend this book, unless your using it in conjuction with something else. on the other hand The Real ACT Prep isnt much better, i reccomend taking a class or getting a tutor,especially if math isnt you strong suit. i cant comment on the speed of the shipping as i wasnt home at the time, however it was fairly priced considering the size and weight of the book.