My BA Prospect Handbook is apparently still sitting in an Amazon warehouse, but piecing together bits and pieces I've seen from around the web this is their 11-31 Astros rankings:
11. Lance McCullers, RHP
12. Domingo Santana, OF
13. Derek Fisher, OF
14. Preston Tucker, OF
15. J.D. Davis, 3B
16. A.J. Reed, 1B
17. Francis Martes, RHP
18. Tony Kemp, 2B/OF
19. Joe Musgrove, RHP
20. Max Stassi, C
21. Adrian Houser, RHP
22. Brady Rodgers, RHP
23. Roberto Peña, C
24. Ronald Torreyes, 2B/UTIL
25. Andrew Aplin, OF
26. Kent Emanuel, LHP
27. Jake Buchanan, RHP
28. Asher Wojciechowski, RHP
29. Andrew Thurman, RHP
30. Danry Vásquez, OF
31. Conrad Gregor, 1B