Perhaps you should try some spelling variations:
"gail robert e. heilman book" » "gal robert e. heilman book", "davis robert e. heilman book", "blair robert e. heilman book", "gail robert _. heilman book", "gail robert j. heilman book", "gail robert e. heilmann book", "gail robert e. hellman book", "gail robert e. heitmann book", "gail robert e. heilman books", "gail robert e. heilman ebook"
"a robust e. heilman ebookss" » "_ robust e. heilman ebookss", "a robust _. heilman ebookss", "a robust e. heilmann ebookss", "a robust e. hellman ebookss", "a robust e. heitmann ebookss", "a robust e. heilman ebooksss", "a robust e. heilman eebookss", "a robust e. heilman ebooks"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("gail robert e. heilman book") OR ("a robust e. heilman ebookss"))~.
• Removing quotes may allow a broader search: (( gail robert e. heilman book ) or ( a robust e. heilman ebookss ))~.
• Adding a wildcard symbol may retrieve word variants: (("gail robert e. heilman book") or ("a robust e. heilman ebookss"))*.