(*  
    getNotebookFromFragment snippet by Brett Terpstra
    Feed it any part of a Notebook name and get back the first matching notebook as an object
*)

on getNotebookFromFragment(fragment)
    tell application "Evernote"
        set NotebookList to notebooks
        repeat with _notebook in NotebookList
            if (offset of fragment in (name of _notebook as string)) > 0 then
                return _notebook
            end if
        end repeat
    end tell
end getNotebookFromFragment

try
    tell application "Evernote" to return properties of my getNotebookFromFragment("def")
on error
    return "no match"
end try