found: iPhone for seniors for dummies, viewed online at O'Reilly on April 3, 2023:title page (Dwight Spivey) about the author (Dwight Spivey has been a technical author and editor for more than a decade, and he's been a technophile for more than three decades; he's the author of Apple Watch For Seniors For Dummies, iPad for Seniors for Dummies, 2022-2023 Edition, Idiot's Guide to Apple Watch, How to Do Everything Pages, Keynote & Numbers, and many more books covering the tech gamut; Spivey is also the Educational Technology Administrator at Spring Hill College)