For years, cookbooks have come and gone, but never before has there been a cookbook like this.

So boasted the full-page ad introducingMy Better Homes & Gardens Cook Book.

That was in 1930and it was no false claim.

stack of cookbooks

The one-millionth copy of theNew Cook Bookwas sold in 1938.

What made this unassuming book such a runaway hit in those meager times?

No cookbook had ever offered this feature before.

And those clever tab dividers?

1930 Cookbook Cover

The 1930 cover of theNew Cook Book.

Readers loved themwhen closed, the book resembled amini-filing cabinet.

And that’s just what cooks found inside theNew Cook Book.

Serve plain orwith whipped cream.

Evidently, many cooks didn’t, and the Test Kitchen came to their rescue.

Cooks all over America looked to the book for practical, reliable recipes.

But 40 million copies later, it’s almost an understatement.

Yes, nutritional information is included, as well as preparation and cooking times.