[{"_1":2,"_3":-5,"_4":-5},"loaderData",{"_5":6,"_7":8},"actionData","errors","root",{"_9":-5,"_86":-5,"_87":88,"_89":90,"_91":92,"_93":94,"_95":96,"_97":98,"_99":12,"_100":101,"_102":103,"_104":105},"routes/_store+/_readers+/u.$username/route",{"_9":10,"_11":12},"user",{"_13":14,"_15":16,"_17":18,"_19":20,"_21":22,"_23":20,"_24":-5,"_25":20,"_26":27,"_28":20,"_29":20,"_30":-5,"_31":-5,"_32":-5,"_33":-5,"_34":-5,"_35":-5,"_36":37,"_38":39,"_40":41,"_42":43,"_44":45,"_46":47,"_48":49,"_50":51,"_52":53,"_54":55,"_56":57,"_58":59,"_60":61,"_62":63,"_64":65,"_66":12,"_67":68,"_69":70},"isPreview",false,"name","Kevin Woolsey","avatarX512",{"_83":85},"avatarX1024",{"_83":85},"githubname","","username","kwoolsey","instagramname","latestPodcastEpisode","linkedinname","profileBlurbWithNofollow","

I am just a senior in high school that likes to learn math and help others learn math.

","twittername","youtubeUrl","facebookUrl","youtubeName","mastodonName","tiktokName","blueskyName","redditName","profileLaunchVideos",[],"publishedBooks",[71],"unpublishedBooks",[],"retiredBooks",[],"publishedCourses",[],"unpublishedCourses",[],"retiredCourses",[],"publishedBundles",[],"publishedTranslations",[],"unpublishedBundles",[],"retiredBundles",[],"publishedTracks",[],"unpublishedTracks",[],"retiredTracks",[],"publicProfile",true,"mediaSheetAvailable","reviewDisplayPreference","none","profileReviews",[],{"_72":73,"_74":75,"_76":77,"_78":79,"_80":14,"_81":82},"id","Z2lkOi8vbGVhbnB1Yi9TdG9yZTo6Qm9va1Byb2R1Y3QvMjIwNDE","slug","multivariablecalculus","title","Multivariable Calculus","publisherSlug","leanpub","authorString","coverHero2x",{"_83":84},"url","https://d2sofvawe08yqg.cloudfront.net/multivariablecalculus/s_hero2x?1620500771&1620500771","https://d39qdlcrvnra4b.cloudfront.net/avatars/601136/x128/lumine_chibi.png?1645995032","shoppingCartId","shoppingCart",{"_72":118,"_119":120,"_121":65,"_122":20,"_123":124,"_125":126,"_127":65},"locale","en","readerTheme","light","constants",{"_116":117},"publishers",{"_112":113,"_114":115},"learnerOrganizations",[],"needsLocaleCookieSync","announcements",{"_106":107,"_108":-5},"sentryEnvironment","production","sentryRelease","31d92581efb28facaab06d1c9303ef13ecd63c18","announcement_store",{"_109":12,"_110":111},"announcement_authors","flag","text","

Kick off your book project, get started with GhostAI, get better at marketing, or spend the day doing all three! Free live workshops on Zoom. Saturday, June 27, 2026.

\n","companies",[],"universities",[],"paypalClientId","AX53Cwz8jR6rVVzzZiZNWWXl0dGagi-GZrjG-S3Ua14E5nrKMn7DxDQ730O4R8LusLPp49ALn6aRVaEy","no-cart","count",0,"free","updatedAt","paymentGateway","STRIPE","cartItems",[],"loading"]

Kevin Woolsey

About Kevin Woolsey

Books by Kevin Woolsey

Find your next book on Leanpub.