Colecția îi ajută pe copii să înțeleagă concepte științifice care până acum păreau imposibil de explicat la vârste foarte mici. Toate cărțile din serie au fost realizate cu sprijinul fizicianului american Fred Bortz, cunoscut autor de cărți de popularizare a științei.
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SELECT `e`.*, `price_index`.`price`, `price_index`.`tax_class_id`, `price_index`.`final_price`, IF(price_index.tier_price IS NOT NULL, LEAST(price_index.min_price, price_index.tier_price), price_index.min_price) AS `minimal_price`, `price_index`.`min_price`, `price_index`.`max_price`, `price_index`.`tier_price`, IF(at_small_image.value_id > 0, at_small_image.value, at_small_image_default.value) AS `small_image`, `stock_status_index`.`stock_status` AS `is_salable`, `reservation`.`quantity` AS `reserved_qty`, IFNULL(review_summary.reviews_count, 0) AS `reviews_count`, IFNULL(review_summary.rating_summary, 0) AS `rating_summary` FROM `catalog_product_entity` AS `e`
INNER JOIN `catalog_product_index_price` AS `price_index` ON price_index.entity_id = e.entity_id AND price_index.customer_group_id = 0 AND price_index.website_id = '1'
LEFT JOIN `catalog_product_entity_varchar` AS `at_small_image_default` ON (`at_small_image_default`.`entity_id` = `e`.`entity_id`) AND (`at_small_image_default`.`attribute_id` = '88') AND `at_small_image_default`.`store_id` = 0
LEFT JOIN `catalog_product_entity_varchar` AS `at_small_image` ON (`at_small_image`.`entity_id` = `e`.`entity_id`) AND (`at_small_image`.`attribute_id` = '88') AND (`at_small_image`.`store_id` = 1)
INNER JOIN `cataloginventory_stock_status` AS `stock_status_index` ON e.entity_id = stock_status_index.product_id
LEFT JOIN (SELECT `inventory_reservation`.`sku`, SUM(quantity) AS `quantity` FROM `inventory_reservation` WHERE (stock_id = 1) GROUP BY `sku`) AS `reservation` ON reservation.sku = e.sku
LEFT JOIN `review_entity_summary` AS `review_summary` ON e.entity_id = review_summary.entity_pk_value AND review_summary.store_id = 1 AND review_summary.entity_type = (SELECT `review_entity`.`entity_id` FROM `review_entity` WHERE (entity_code = 'product')) WHERE (e.entity_id IN (3106, 3108, 3105, 3111, 3113, 3104, 3109, 3107, 3110)) ORDER BY FIELD(e.entity_id,3106,3108,3105,3111,3113,3104,3109,3107,3110)
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