Perhaps you should try some spelling variations:
rain » brain (Expand Search), main (Expand Search), pain (Expand Search)
btrain » btbrain (Expand Search), btmain (Expand Search), btpain (Expand Search), brain (Expand Search), strain (Expand Search), bbrain (Expand Search)
bttrain » bttbrain (Expand Search), bttmain (Expand Search), bttpain (Expand Search), btbrain (Expand Search)
btbrain » btbbrain (Expand Search), btbmain (Expand Search), btbpain (Expand Search)
train » tbrain (Expand Search), tmain (Expand Search), tpain (Expand Search), brain (Expand Search)
gain » main (Expand Search)
btgain » btmain (Expand Search)
bgain » bmain (Expand Search), brain (Expand Search)
again » amain (Expand Search)
bpain » brain (Expand Search), spain (Expand Search), pain (Expand Search)
bmain » main (Expand Search), brain (Expand Search)
amain » main (Expand Search)
tmain » main (Expand Search)

You may be able to get more results by adjusting your search query.

• Removing quotes may allow a broader search: (((rain OR gain) OR ((((bpain OR btrain) OR bmain) OR ((btrain OR btgain) OR (bttrain OR btbrain))) OR (bgain OR (again OR amain)))) OR (train OR tmain)) tax.

Perform this same search in other libraries for books (WorldCat)

Perform this same search in EDS

You can also try:

• Request through Interlibrary Loan