[{"_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":100,"_101":102,"_103":104},"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":20,"_27":20,"_28":20,"_29":-5,"_30":-5,"_31":-5,"_32":-5,"_33":-5,"_34":-5,"_35":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":12,"_66":67,"_68":69},"isPreview",false,"name","Piyush Kumar","avatarX512",{"_82":85},"avatarX1024",{"_82":84},"githubname","","username","piyush-kumar","instagramname","latestPodcastEpisode","linkedinname","profileBlurbWithNofollow","twittername","youtubeUrl","facebookUrl","youtubeName","mastodonName","tiktokName","blueskyName","redditName","profileLaunchVideos",[],"publishedBooks",[70],"unpublishedBooks",[],"retiredBooks",[],"publishedCourses",[],"unpublishedCourses",[],"retiredCourses",[],"publishedBundles",[],"publishedTranslations",[],"unpublishedBundles",[],"retiredBundles",[],"publishedTracks",[],"unpublishedTracks",[],"retiredTracks",[],"publicProfile",true,"mediaSheetAvailable","reviewDisplayPreference","none","profileReviews",[],{"_71":72,"_73":74,"_75":76,"_77":78,"_79":14,"_80":81},"id","Z2lkOi8vbGVhbnB1Yi9TdG9yZTo6Qm9va1Byb2R1Y3QvNzUzMjA","slug","HackersShadow","title","Hacker’s Shadow","publisherSlug","leanpub","authorString","coverHero2x",{"_82":83},"url","https://d2sofvawe08yqg.cloudfront.net/HackersShadow/s_hero2x?1768958500&1768958500","https://secure.gravatar.com/avatar/e7b4ee4475a01eeed46827d093ea05d6?r=pg&d=mm&s=1024","https://secure.gravatar.com/avatar/e7b4ee4475a01eeed46827d093ea05d6?r=pg&d=mm&s=512","shoppingCartId","shoppingCart",{"_71":117,"_118":119,"_120":64,"_121":20,"_122":123,"_124":125,"_126":64},"locale","en","readerTheme","light","constants",{"_115":116},"publishers",{"_111":112,"_113":114},"learnerOrganizations",[],"announcements",{"_105":106,"_107":-5},"sentryEnvironment","production","sentryRelease","c077b645bce66c30722d773c961fe34d03865533","announcement_store",{"_108":12,"_109":110},"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"]

Piyush Kumar

Books by Piyush Kumar

Find your next book on Leanpub.