She’s smart as a whip, super sleuth-y, and able to solve most mysterious mysteries and perplexing problems in no time flat. Mariella Mystery (age nine and a bit) knows that all good detectives write down important information about their investigations. In this top-secret journal she tackles the case of the ghostly guinea pig with important clues and observations, helpful drawings, and handy tips for new detectives. Early readers will be hooked on this mystery chapter book from page one!<\/p>","protected":false},"excerpt":{"rendered":"
Mariella Mystery #1 | Kate Pankhurst<\/p>","protected":false},"featured_media":71969,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[2035,2398,1975],"product_tag":[],"class_list":{"0":"post-72108","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-childrens","7":"product_cat-middle-grade","8":"product_cat-mystery","9":"desktop-align-left","10":"tablet-align-left","11":"mobile-align-left","13":"first","14":"instock","15":"featured","16":"sold-individually","17":"shipping-taxable","18":"purchasable","19":"product-type-simple"},"acf":[],"uagb_featured_image_src":{"full":["https:\/\/book-berries.com\/wp-content\/uploads\/2026\/02\/Mariella-Mystery-Investigates-The-Ghostly-Guinea-Pig.png",1728,2160,false],"thumbnail":["https:\/\/book-berries.com\/wp-content\/uploads\/2026\/02\/Mariella-Mystery-Investigates-The-Ghostly-Guinea-Pig-150x150.png",150,150,true],"medium":["https:\/\/book-berries.com\/wp-content\/uploads\/2026\/02\/Mariella-Mystery-Investigates-The-Ghostly-Guinea-Pig-240x300.png",240,300,true],"medium_large":["https:\/\/book-berries.com\/wp-content\/uploads\/2026\/02\/Mariella-Mystery-Investigates-The-Ghostly-Guinea-Pig-768x960.png",768,960,true],"large":["https:\/\/book-berries.com\/wp-content\/uploads\/2026\/02\/Mariella-Mystery-Investigates-The-Ghostly-Guinea-Pig-819x1024.png",819,1024,true],"1536x1536":["https:\/\/book-berries.com\/wp-content\/uploads\/2026\/02\/Mariella-Mystery-Investigates-The-Ghostly-Guinea-Pig-1229x1536.png",1229,1536,true],"2048x2048":["https:\/\/book-berries.com\/wp-content\/uploads\/2026\/02\/Mariella-Mystery-Investigates-The-Ghostly-Guinea-Pig-1638x2048.png",1638,2048,true],"trp-custom-language-flag":["https:\/\/book-berries.com\/wp-content\/uploads\/2026\/02\/Mariella-Mystery-Investigates-The-Ghostly-Guinea-Pig-10x12.png",10,12,true],"woocommerce_thumbnail":["https:\/\/book-berries.com\/wp-content\/uploads\/2026\/02\/Mariella-Mystery-Investigates-The-Ghostly-Guinea-Pig-300x300.png",300,300,true],"woocommerce_single":["https:\/\/book-berries.com\/wp-content\/uploads\/2026\/02\/Mariella-Mystery-Investigates-The-Ghostly-Guinea-Pig-600x750.png",600,750,true],"woocommerce_gallery_thumbnail":["https:\/\/book-berries.com\/wp-content\/uploads\/2026\/02\/Mariella-Mystery-Investigates-The-Ghostly-Guinea-Pig-100x100.png",100,100,true],"dgwt-wcas-product-suggestion":["https:\/\/book-berries.com\/wp-content\/uploads\/2026\/02\/Mariella-Mystery-Investigates-The-Ghostly-Guinea-Pig-64x80.png",64,80,true]},"uagb_author_info":{"display_name":"bookberrieslb@gmail.com","author_link":"https:\/\/book-berries.com\/ar\/author\/"},"uagb_comment_info":0,"uagb_excerpt":"Mariella Mystery #1 | Kate Pankhurst","jetpack_likes_enabled":true,"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/book-berries.com\/ar\/wp-json\/wp\/v2\/product\/72108","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/book-berries.com\/ar\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/book-berries.com\/ar\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/book-berries.com\/ar\/wp-json\/wp\/v2\/comments?post=72108"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/book-berries.com\/ar\/wp-json\/wp\/v2\/media\/71969"}],"wp:attachment":[{"href":"https:\/\/book-berries.com\/ar\/wp-json\/wp\/v2\/media?parent=72108"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/book-berries.com\/ar\/wp-json\/wp\/v2\/product_brand?post=72108"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/book-berries.com\/ar\/wp-json\/wp\/v2\/product_cat?post=72108"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/book-berries.com\/ar\/wp-json\/wp\/v2\/product_tag?post=72108"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}