00517nam a22001697a 450000500170000000800410001702000220005804000100008008200240009010000180011424500290013226000480016130000340020944000710024365000160031465100170033020231010111848.0231010b        |||||||| |||| 00| 0 eng d  a978-1-83935-054-2  cGSLRC  aCir 620  R514  2021  aRichards, Jon  aHistory /cJon Richards.  aLondon :bMortimer Children's Books,c2021.  a128 pages :bcol. ill.c25cm.  a60-seconds genius : bite-size facts to make learning fun and fast.  2Technology.  2Engineering.