{{ query: {and: {and: Author Person/Venger As'Nas Satanis}{and: Tags book }}}}
author search
{{query: {and: Author Person/Venger As'Nas Satanis} }}
{{ [[query]]: {and: {and: [[Author]] [[Person/Venger As'Nas Satanis]]}{and: [[Tags]] [[book]] }}}}
:q [:find ?title ?s
:where
[?e :node/title ?title][(re-matches #"(?i)\b.*(Book/).*" ?title)]
[?e :block/children ?x][?x :block/string ?s]
[(re-matches "(?i)\b.*(Venger As'Nas Satanis).*" ?s)][?x :block/uid ?r]
]