The author of this book is brother ewald Frank, this is what he writes in the introduction:
Inourtime,itisnoteasytoapproachsomeonewiththethemeconcerningGodandfaith.Forsomeitistotallyoutandonlyfortheoldfolks,otherssearchfordivinethingswithinthemselvesandinnature,andagainothersdenytheexistenceofapersonalGodwhiletherearethosewhospeakofahigherpower.WhencertaintragedieshappeneventhosewhodenyGodanddon’tbelieveinHimask:“WhydoesGodpermitsuchthings?”SinceithasbecomeopenlyknownwhathappenedinthepastinthenameofGodandunderthecoveringofreligion,ithasmademorepeopletolosetheirfaithinjustice.ThisismainlybecausetheyputthisreligiousinstitutionandGodonthesamelevel.Inthecourseoftime,historianshavefilledbookswithreportsaboutthebadstatesofaffairsinthedifferentages.Inrecenttimescourageousauthorshavebroughtthingsopenlytothesurface,whicharealmostunbelievable.Ineveryreligion,therearepeoplewhoareconsciousoftheexistenceofnotonlyanaturalbutalsoasupernaturalrealm.Itisunderstoodthatmanisnotborntodiebuttolive.Inreality,thereareonlyfewwhoareconvincedthateverythingendsatthepointofdeath.Buteventheywillhavetorealiselatestinthehouroftheirdeaththattheyhaveerred.Everyoneisborninacertaincountryintoacertainreligionorideologyofwhichtheyarenormallyconvincedtobetherightone.Thepresentalmostincomprehensibleadvancement,thedevelopmentfromthehorseandwaggontothemostsophisticatedrocketlauncher,fromthecoach-drivertotheastronautsandcosmonauts,confirmswhattheLordGodhadsaidalmostsix-thousandyearsago:“...andnownothingtheyhaveimaginedtheycandowillbeimpossibletothem”(Gen.11:6).Theconsequenceisthatmanmoreandmorebelievesinhimselfandinhisachievements,atthesametimeleaningmoreagainstGodanddoubtingHisWord.God’sopponentstartedalreadyintheGardenofEdentoplantdoubtintothemindsofthefirsthumanbeingsinregardstowhattheCreatorhadsaid,“...hastGodsaid,Yeshallnoteatofeverytreeofthegarden?”(Gen.3:1)