. . . . . . . "book - medium for recording information (words or images) typically on bound pages or more abstractly in electronic or audio form" . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCJ7GE9EOmNJA0Vpr+Y/llWONFPGoCFjXN84KLrnEgVJVfaQ+62qOl13s+aop/cyJ2aKSNj4nT/+7ETkOalMF+mLWaPX1O91AXpnHNgJQYLKNDQINzUpvLKtCfH0em3YjumCz0FAdlxi2i+Wx/8frpQjSUncfpnacthj7o9Fdj1AwIDAQAB" . "OJBOLS7siJnOwtHBHDaDOtfTcmoMh+pSWS8E0ZsUWxY28Y1L5nqMYLozuxaDja2sueAymbm7XkLRZVVZpvtgb1DYqxnY4CVvjC9mfVhm9lSUQJVkCwAwb86omDObfEdpwlh8+EAGqA98N/lXq+f0eruDN/lWc1YUVjc+g4DYaFU=" . . "2023-10-08T16:35:20.894Z"^^ . . . . "AIDA sentence: Paperback books are typically less expensive to produce and purchase than hardcover books." . . . . .