Penny Nichols And The Mystery of The Lost w/Direct link technology (A Classic Mystery Novel)

"Hurry, Susan! We have only ten minutes before the store closes!"
Penelope Nichols, the slender girl in blue, urged her companion into the revolving doors at the entrance of the Bresham Department Store. A vigorous push sent the barriers spinning at such a rate that other shoppers turned to stare at the two girls.
"You nearly took off my heels that time, Penny," Susan Altman protested with a laugh as they emerged into the crowded store.