Littafin yana cike da? Bisa ga tambayar da ta gabata, ka rubuta mahallin da ke ɗauke da amsar. Zai iya zama jumla 1 - 20. Abubuwan da ke ciki:
Yawancin rubuce-rubucen Tesla suna samuwa kyauta a yanar gizo, ciki har da labarin "Matsalar Ƙara Ƙarfin Dan Adam", wanda aka buga a cikin Century Magazine a 1900, da kuma labarin "Gwaji tare da Sauyawar Sauyawa na High Potential da High Frequency", wanda aka buga a cikin littafinsa Inventions, Research and Writings of Nikola Tesla.