Why a publishing warning can be sensible
A book deal is not the same as a dependable salary. A writer’s income depends on whether copies sell, and a children’s book—like any book—can find a small audience or a large one. Teaching, by contrast, offers regular pay. Advising a new author to keep a job is therefore a practical response to uncertainty, not a prediction that the book will fail.
That distinction matters because an editor can help bring a manuscript to readers but cannot guarantee how many will buy it. Even a published book may not provide enough income to replace work straight away. Keeping another source of support gives a writer room to continue without requiring the first book to become a hit.
How a series can change the calculation
A successful series has an advantage a one-off book does not: each new installment gives readers a reason to return. As the audience grows, earlier books can keep finding readers alongside later ones. That can turn a single uncertain launch into a much larger, sustained publishing phenomenon.
Rowling’s Harry Potter books ultimately reached a global audience, making the cautious advice look striking in retrospect. But the outcome was not built into the original decision. The memorable contrast is between the uncertain livelihood of a new author and the momentum a series can gain once readers keep coming back.
