From the time we first learn to scan pages and supercharge our imaginations through literature, books become both an escape and an inspiration. And as we grow from children with big dreams to adults with big ideas, our bookshelves become more focused. In addition to having solid mentors, books can serve as experts for ambitious entrepreneurs who and seek to carve out there own path and enjoy reading between the lines of best-sellers. So we asked 21 successful female leaders to share the one motivational book that inspired them more than all the rest. From fiction and non-fiction to business and self-help, there’s surely something on this list to get your spark your interest, too.